/* ============================================
   Mentor Yazılım — Modern Corporate Site
   ============================================ */

:root {
    /* Mentor Yazılım marka paleti — logo turuncudan kırmızıya gradient */
    --color-primary: #ca2d2d;
    --color-primary-light: #d94545;
    --color-primary-dark: #9b1f1f;
    --color-orange: #f5791f;
    --color-orange-light: #f89548;
    --color-accent: #ca2d2d;
    --color-accent-hover: #b02525;
    --color-accent-soft: #fdecec;
    --color-success: #8fc941;
    --color-success-soft: #eaf6d8;
    --color-warning: #f5791f;
    --color-bg: #ffffff;
    --color-bg-soft: #fafafa;
    --color-bg-warm: #fdf6f0;
    --color-bg-dark: #0f1419;
    --color-bg-darker: #090e1c;
    --color-surface: #ffffff;
    --color-border: #e8e3e3;
    --color-border-soft: #f3eded;
    --color-text: #1a1a1a;
    --color-text-muted: #5a5a5a;
    --color-text-light: #8a8a8a;
    --color-white: #ffffff;

    --gradient-brand: linear-gradient(135deg, #f5791f 0%, #ca2d2d 100%);
    --gradient-brand-soft: linear-gradient(135deg, #f89548 0%, #d94545 100%);
    --gradient-hero: linear-gradient(135deg, #090e1c 0%, #2a0e0e 45%, #ca2d2d 85%, #f5791f 100%);
    --gradient-hero-overlay: linear-gradient(135deg, rgba(9,14,28,0.92) 0%, rgba(42,14,14,0.85) 45%, rgba(202,45,45,0.65) 100%);
    --gradient-accent: linear-gradient(135deg, #f5791f 0%, #ca2d2d 100%);
    --gradient-dark: linear-gradient(135deg, #090e1c 0%, #1a0a0a 100%);
    --gradient-soft: linear-gradient(180deg, #ffffff 0%, #fdf6f0 100%);

    --shadow-sm: 0 1px 2px rgba(202, 45, 45, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(15, 20, 25, 0.07), 0 2px 4px -1px rgba(15, 20, 25, 0.04);
    --shadow-lg: 0 10px 25px -5px rgba(15, 20, 25, 0.1), 0 8px 10px -6px rgba(15, 20, 25, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(15, 20, 25, 0.18);
    --shadow-brand: 0 12px 28px -8px rgba(202, 45, 45, 0.35);
    --shadow-glow: 0 0 40px rgba(245, 121, 31, 0.3);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    --container-max: 1240px;
    --nav-height: 84px;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    overflow-x: hidden;
}

html { overflow-x: hidden; }

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-hover);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.375rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p { color: var(--color-text-muted); }

.eyebrow {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.text-gradient {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ============================================
   LAYOUT
   ============================================ */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.section-soft {
    background: var(--color-bg-soft);
}

.section-dark {
    background: var(--color-bg-dark);
    color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: var(--color-white);
}

.section-dark p {
    color: rgba(255, 255, 255, 0.75);
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    line-height: 1.15;
}

.section-header p {
    font-size: 1.125rem;
    line-height: 1.6;
    margin-top: 1.25rem;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--color-accent);
    padding: 0.5rem 1rem;
}

.btn-ghost:hover {
    background: var(--color-accent-soft);
    color: var(--color-accent);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1rem;
}

.btn-arrow {
    transition: transform var(--transition-base);
}

.btn:hover .btn-arrow {
    transform: translateX(4px);
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: #ffffff;
    border-bottom: 1px solid var(--color-border-soft);
    z-index: 100;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.nav.scrolled {
    box-shadow: 0 2px 16px -4px rgba(15, 20, 25, 0.08);
    border-color: transparent;
}

.nav::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    background: var(--gradient-brand);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav.scrolled::after { opacity: 1; }

.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    padding: 6px 14px;
    border-radius: 10px;
    background: linear-gradient(180deg, #ffffff 0%, #fdf6f0 100%);
    border: 1px solid #f3e8e1;
    box-shadow:
        0 4px 10px -4px rgba(202, 45, 45, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    position: relative;
}

.nav-logo::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12%;
    bottom: 12%;
    width: 3px;
    background: var(--gradient-brand);
    border-radius: 2px;
}

.nav-logo:hover {
    transform: translateY(-1px);
    box-shadow:
        0 8px 16px -6px rgba(202, 45, 45, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.nav-logo img {
    height: 50px;
    width: auto;
    display: block;
}

.nav-link {
    font-weight: 500;
    color: #2a3142;
}

.nav-menu {
    gap: 0.125rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
}

.nav-link {
    display: block;
    padding: 0.5rem 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-bg-soft);
}

.nav-cta {
    margin-left: 0.75rem;
}

.nav-link-pay {
    color: #4a7a1f !important;
    font-weight: 600 !important;
    display: inline-flex !important;
    align-items: center;
    gap: 0.4rem;
}

.nav-link-pay svg {
    width: 16px;
    height: 16px;
}

.nav-link-pay:hover {
    color: var(--color-success) !important;
    background: var(--color-success-soft) !important;
}

.nav-toggle {
    display: none;
    background: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    width: 44px;
    height: 44px;
    cursor: pointer;
    color: var(--color-primary);
    border-radius: var(--radius-md);
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.nav-toggle:hover {
    background: var(--color-accent-soft);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.nav-toggle:active {
    transform: translateY(0);
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
    stroke-width: 2.25;
    display: block;
}

/* ============================================
   HERO
   ============================================ */

.hero {
    position: relative;
    padding: calc(var(--nav-height) + 5rem) 0 6rem;
    background: var(--gradient-hero);
    color: var(--color-white);
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(at 18% 28%, rgba(245, 121, 31, 0.45) 0px, transparent 50%),
        radial-gradient(at 82% 72%, rgba(202, 45, 45, 0.5) 0px, transparent 55%),
        radial-gradient(at 50% 50%, rgba(143, 201, 65, 0.08) 0px, transparent 60%);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
    z-index: -1;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 3.5rem;
    align-items: center;
    position: relative;
}

.hero-content { position: relative; }

.hero-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 520px;
}

/* Realistic phone frame for ETA:Mobil hero shot — Modern iPhone w/ Dynamic Island */
.phone-frame {
    position: relative;
    background: linear-gradient(155deg, #2d2d36 0%, #16161c 60%, #0a0a12 100%);
    padding: 7px;
    border-radius: 44px;
    box-shadow:
        0 60px 120px -30px rgba(15, 20, 25, 0.55),
        0 30px 60px -25px rgba(202, 45, 45, 0.28),
        inset 0 0 0 1px rgba(255, 255, 255, 0.12),
        inset 0 -2px 4px rgba(0, 0, 0, 0.4),
        inset 0 2px 0 rgba(255, 255, 255, 0.06);
    width: 280px;
    transform: perspective(1400px) rotateY(-8deg) rotateX(3deg);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

.phone-frame:hover {
    transform: perspective(1400px) rotateY(-3deg) rotateX(1deg);
}

/* Dynamic Island */
.phone-frame::before {
    content: '';
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 86px;
    height: 24px;
    background: #050508;
    border-radius: 14px;
    z-index: 4;
    box-shadow:
        inset 0 0 0 1px rgba(255, 255, 255, 0.06),
        0 2px 4px rgba(0, 0, 0, 0.4);
}

/* Side power button (sağ) */
.phone-frame::after {
    content: '';
    position: absolute;
    right: -3px;
    top: 28%;
    width: 4px;
    height: 64px;
    background: linear-gradient(180deg, #1c1c22 0%, #0e0e14 100%);
    border-radius: 0 2px 2px 0;
    z-index: 0;
    box-shadow: inset 1px 0 0 rgba(255, 255, 255, 0.05);
}

.phone-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 37px;
    background: #fff;
}

/* Phone screen wrap — overflow & status bar offset */
.phone-screen-wrap {
    position: relative;
    border-radius: 37px;
    overflow: hidden;
    background: #fff;
}

.phone-screen-wrap::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(180deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0) 100%);
    z-index: 2;
    pointer-events: none;
}

.phone-screen-wrap img {
    border-radius: 0;
}

/* Laptop frame for product screenshots */
.laptop-frame {
    position: relative;
    background: linear-gradient(180deg, #2a2a32 0%, #1a1a22 100%);
    border-radius: 12px 12px 4px 4px;
    padding: 14px 14px 18px;
    box-shadow:
        0 40px 80px -20px rgba(0,0,0,0.45),
        0 24px 50px -28px rgba(202,45,45,0.3),
        inset 0 0 0 1px rgba(255,255,255,0.05);
}

.laptop-frame::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: -2%;
    right: -2%;
    height: 10px;
    background: linear-gradient(180deg, #25252d 0%, #18181f 100%);
    border-radius: 0 0 14px 14px;
    box-shadow: 0 8px 20px -8px rgba(0,0,0,0.4);
}

.laptop-frame img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
}

.hero-visual-card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem 0.75rem;
}

.hero-visual-card-header .dot {
    width: 11px; height: 11px; border-radius: 50%;
    background: rgba(255,255,255,0.3);
}

.hero-visual-card-header .dot:nth-child(1) { background: #fb6e5f; }
.hero-visual-card-header .dot:nth-child(2) { background: #f5bf4f; }
.hero-visual-card-header .dot:nth-child(3) { background: #61c554; }

.hero-visual-card-title {
    margin-left: auto;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 0.04em;
}

.hero-dash {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    padding: 1rem;
}

.hero-dash-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.875rem;
}

.hero-dash-title {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.6);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-dash-pill {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(143,201,65,0.18);
    color: #b6e878;
    font-weight: 600;
}

.hero-dash-stat {
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
    margin-bottom: 1rem;
}

.hero-dash-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.hero-dash-delta {
    font-size: 0.85rem;
    color: #b6e878;
    font-weight: 600;
}

.hero-dash-chart {
    height: 90px;
    background: linear-gradient(180deg, rgba(245,121,31,0.25) 0%, rgba(202,45,45,0.05) 100%);
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    margin-bottom: 0.875rem;
}

.hero-dash-chart::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.04) 1px, transparent 1px);
    background-size: 28px 22px;
}

.hero-dash-chart svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-dash-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.hero-dash-mini {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 0.625rem;
}

.hero-dash-mini-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.5);
}

.hero-dash-mini-value {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-white);
    margin-top: 0.25rem;
}

.hero-floating-badge {
    position: absolute;
    background: var(--color-white);
    color: var(--color-text);
    border-radius: 12px;
    padding: 0.625rem 0.9rem;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.8125rem;
    font-weight: 600;
    z-index: 3;
}

.hero-floating-badge svg { width: 18px; height: 18px; }

.hero-floating-badge.top-right {
    top: 5%;
    right: -10%;
    color: var(--color-success);
}

.hero-floating-badge.bottom-left {
    bottom: 6%;
    left: -8%;
    color: var(--color-primary);
}

.hero h1 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
    text-align: left;
}

.hero-tagline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 1.75rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.1);
}

.hero-tagline .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    box-shadow: 0 0 12px var(--color-success);
}

.hero p {
    font-size: 1.1875rem;
    line-height: 1.65;
    color: rgba(255, 255, 255, 0.82);
    margin: 0 0 2.5rem;
    max-width: 560px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.hero-cta .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
}

.hero-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.35);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin: 4rem 0 0;
    padding-top: 3rem;
    border-top: 1px solid rgba(255,255,255,0.12);
    grid-column: 1 / -1;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, #ffffff 0%, #fde9d4 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
    font-feature-settings: "tnum";
}

.hero-stat-label {
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.7);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 0.25rem;
}

/* ============================================
   CARD GRIDS
   ============================================ */

.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(99, 91, 255, 0.3);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    display: grid;
    place-items: center;
    margin-bottom: 1.25rem;
    transition: transform var(--transition-base);
}

.card-icon svg {
    width: 28px;
    height: 28px;
}

.card:hover .card-icon {
    transform: scale(1.08);
}

.card h3 {
    margin-bottom: 0.625rem;
    font-size: 1.25rem;
}

.card p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 1.25rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-accent);
}

.card-link svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-base);
}

.card-link:hover svg {
    transform: translateX(3px);
}

/* Showcase card with cover image (for Özel Yazılımlar) */
.showcase-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
    height: 100%;
}

.showcase-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(202, 45, 45, 0.35);
}

.showcase-card-cover {
    position: relative;
    height: 200px;
    background: linear-gradient(135deg, #fdf6f0 0%, #f6f9fc 100%);
    overflow: hidden;
    border-bottom: 2px solid var(--color-border);
    isolation: isolate;
}

.showcase-card-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(0,0,0,0.04) 100%);
    pointer-events: none;
    z-index: 1;
}

.showcase-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.showcase-card:hover .showcase-card-cover img {
    transform: scale(1.04);
}

.showcase-card-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255,255,255,0.95);
    color: var(--color-primary);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.35rem 0.65rem;
    border-radius: 6px;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-sm);
}

.showcase-card-body {
    padding: 1.5rem 1.5rem 1.75rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.showcase-card-body h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.showcase-card-body p {
    font-size: 0.9375rem;
    line-height: 1.55;
    color: var(--color-text-muted);
    margin: 0;
    flex: 1;
}

.showcase-card-body .card-link {
    margin-top: 1.25rem;
}

/* Banka trust strip */
.banks-strip {
    padding: 4rem 0 3.5rem;
    background: var(--color-bg-soft);
    border-top: 1px solid var(--color-border-soft);
    border-bottom: 1px solid var(--color-border-soft);
}

.banks-strip-title {
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 2.5rem;
}

.banks-strip-image {
    width: 100%;
    max-width: 960px;
    height: auto;
    margin: 0 auto;
    display: block;
}

/* Why us / trust section */
.trust-section {
    padding: 5rem 0;
    background: var(--color-bg);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.trust-item {
    text-align: center;
    padding: 1rem;
}

.trust-item-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1.25rem;
    background: var(--color-accent-soft);
    border-radius: var(--radius-md);
    display: grid;
    place-items: center;
    color: var(--color-accent);
}

.trust-item-icon svg { width: 28px; height: 28px; }

.trust-item h4 {
    font-size: 1.0625rem;
    margin-bottom: 0.5rem;
}

.trust-item p {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* Product card (ETA series) */
.product-card {
    position: relative;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-base);
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.product-card.featured {
    background: var(--gradient-accent);
    color: var(--color-white);
    border-color: transparent;
    box-shadow: var(--shadow-xl), var(--shadow-brand);
    position: relative;
}

.product-card.featured::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(255,255,255,0.6), rgba(255,255,255,0));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
}

.product-card.featured h3,
.product-card.featured .product-tagline,
.product-card.featured ul li {
    color: var(--color-white);
}

.product-card.featured ul li::before {
    background: rgba(255, 255, 255, 0.3);
}

.product-card.featured ul li svg {
    color: var(--color-white);
}

.product-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--color-accent-soft);
    color: var(--color-accent);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
    align-self: flex-start;
}

.product-card.featured .product-badge {
    background: rgba(255,255,255,0.2);
    color: var(--color-white);
}

.product-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.product-tagline {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.product-card ul {
    list-style: none;
    margin-bottom: 1.75rem;
    flex: 1;
}

.product-card ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.product-card ul li svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

/* ============================================
   ETAMOBIL SECTION
   ============================================ */

.mobile-showcase {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.mobile-showcase-content h2 {
    margin-bottom: 1rem;
}

.mobile-showcase-content p {
    font-size: 1.0625rem;
    margin-bottom: 2rem;
}

.feature-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 1.5rem;
    margin-bottom: 2rem;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
}

.feature-list li svg {
    width: 20px;
    height: 20px;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 1px;
}

.mobile-showcase-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 560px;
}

/* 3-telefon diagonal kompozisyon */
.phone-trio {
    position: relative;
    width: 100%;
    max-width: 480px;
    height: 540px;
    display: grid;
    place-items: center;
}

.phone-trio .phone-frame {
    position: absolute;
    width: 230px;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.phone-trio .phone-frame:nth-child(1) {
    transform: perspective(1400px) translateX(-140px) translateY(20px) rotateY(12deg) rotateZ(-6deg) scale(0.9);
    z-index: 1;
    opacity: 0.95;
}

.phone-trio .phone-frame:nth-child(2) {
    transform: perspective(1400px) translateY(-10px) rotateY(-2deg) scale(1.05);
    z-index: 3;
    box-shadow:
        0 70px 140px -30px rgba(15, 20, 25, 0.65),
        0 40px 80px -30px rgba(202, 45, 45, 0.35),
        inset 0 0 0 1px rgba(255, 255, 255, 0.12),
        inset 0 -2px 4px rgba(0, 0, 0, 0.4),
        inset 0 2px 0 rgba(255, 255, 255, 0.06);
}

.phone-trio .phone-frame:nth-child(3) {
    transform: perspective(1400px) translateX(140px) translateY(20px) rotateY(-12deg) rotateZ(6deg) scale(0.9);
    z-index: 2;
    opacity: 0.95;
}

.phone-trio:hover .phone-frame:nth-child(1) {
    transform: perspective(1400px) translateX(-160px) translateY(10px) rotateY(8deg) rotateZ(-4deg) scale(0.92);
}

.phone-trio:hover .phone-frame:nth-child(3) {
    transform: perspective(1400px) translateX(160px) translateY(10px) rotateY(-8deg) rotateZ(4deg) scale(0.92);
}

/* Yan-yana ikili (etamobil overview ekstra) */
.phone-stack {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: center;
}

.phone-stack .phone-frame {
    width: 100%;
    max-width: 240px;
}

.phone-stack .phone-frame:nth-child(1) {
    transform: perspective(1200px) rotateY(8deg) translateY(20px);
    z-index: 1;
}

.phone-stack .phone-frame:nth-child(2) {
    transform: perspective(1200px) rotateY(-4deg) translateY(-10px);
    z-index: 2;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #1a1a2e 0%, #0a0a1a 100%);
    border-radius: 44px;
    padding: 12px;
    box-shadow:
        0 50px 100px -20px rgba(10, 37, 64, 0.4),
        0 30px 60px -30px rgba(10, 37, 64, 0.3),
        inset 0 0 0 1px rgba(255,255,255,0.08);
    z-index: 2;
}

.phone-mockup::before {
    content: '';
    position: absolute;
    top: 22px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 24px;
    background: #0a0a1a;
    border-radius: 16px;
    z-index: 3;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    border-radius: 32px;
    overflow: hidden;
    position: relative;
    padding: 48px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.phone-greeting {
    color: rgba(255,255,255,0.7);
    font-size: 12px;
    margin-bottom: 4px;
}

.phone-title {
    color: var(--color-white);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.phone-card {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 14px;
    padding: 14px;
}

.phone-card-label {
    color: rgba(255,255,255,0.6);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.phone-card-value {
    color: var(--color-white);
    font-size: 20px;
    font-weight: 700;
    margin-top: 4px;
}

.phone-card-value.green { color: #4ade80; }
.phone-card-value.red { color: #fb7185; }

.phone-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.phone-grid .phone-card {
    padding: 10px;
}

.phone-grid .phone-card-value {
    font-size: 15px;
}

.phone-decor {
    position: absolute;
    border-radius: 50%;
    opacity: 0.22;
    filter: blur(70px);
    z-index: 0;
    pointer-events: none;
}

.phone-decor-1 {
    width: 320px;
    height: 320px;
    top: -20px;
    left: -5%;
    background: var(--gradient-accent);
}

.phone-decor-2 {
    width: 280px;
    height: 280px;
    bottom: -20px;
    right: -5%;
    background: linear-gradient(135deg, #f5791f 0%, #fbb040 100%);
}

/* Floating UI badge above phones */
.phone-badge {
    position: absolute;
    background: var(--color-white);
    color: var(--color-text);
    border-radius: 14px;
    padding: 0.65rem 0.9rem;
    box-shadow:
        0 20px 40px -12px rgba(15, 20, 25, 0.2),
        0 8px 16px -6px rgba(202, 45, 45, 0.18),
        inset 0 0 0 1px rgba(255, 255, 255, 0.6);
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.8125rem;
    font-weight: 600;
    z-index: 5;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    animation: phoneBadgeFloat 4s ease-in-out infinite;
}

.phone-badge svg { width: 18px; height: 18px; }

.phone-badge-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--gradient-brand);
    color: var(--color-white);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.phone-badge-icon svg { width: 16px; height: 16px; }

.phone-badge-meta { line-height: 1.25; }
.phone-badge-meta .label { font-size: 0.7rem; color: var(--color-text-light); font-weight: 500; display: block; }
.phone-badge-meta .value { font-weight: 700; color: var(--color-text); font-size: 0.875rem; }

.phone-badge.top-left { top: 10%; left: 0%; animation-delay: 0s; }
.phone-badge.bottom-right { bottom: 10%; right: 0%; animation-delay: 1.5s; }
.phone-badge.middle-right { top: 45%; right: -5%; animation-delay: 0.8s; }

@keyframes phoneBadgeFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ============================================
   E-DONUSUM (mini cards)
   ============================================ */

.mini-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    text-align: center;
    transition: all var(--transition-base);
}

.mini-card:hover {
    transform: translateY(-3px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.mini-card-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: var(--radius-md);
    display: grid;
    place-items: center;
    margin: 0 auto 1rem;
    color: var(--color-white);
}

.mini-card-icon svg { width: 24px; height: 24px; }

.mini-card h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.mini-card p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ============================================
   ABOUT / WHY
   ============================================ */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-content h2 { margin-bottom: 1.25rem; }
.about-content p { font-size: 1.0625rem; margin-bottom: 1rem; }

.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    text-align: center;
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
    line-height: 1;
    font-feature-settings: "tnum";
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

/* ============================================
   CONTACT
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 3rem;
}

.contact-info-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: all var(--transition-base);
}

.contact-info-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.contact-info-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.contact-info-icon svg { width: 22px; height: 22px; }

.contact-info-card h4 {
    font-size: 0.875rem;
    color: var(--color-text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.375rem;
}

.contact-info-card p {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9375rem;
    margin: 0;
    line-height: 1.5;
}

.contact-info-card a {
    color: var(--color-text);
    font-weight: 500;
}

.contact-info-card a:hover { color: var(--color-accent); }

/* Form */
.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-white);
    box-shadow: 0 0 0 4px rgba(202, 45, 45, 0.12);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    margin-top: 0.5rem;
}

.form-status {
    display: none;
    padding: 0.875rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.45;
}

.form-status[data-type="success"] {
    background: var(--color-success-soft);
    color: #4a7a1f;
    border: 1px solid #c9e391;
}

.form-status[data-type="error"] {
    background: var(--color-accent-soft);
    color: #8b1f1f;
    border: 1px solid #f2c5c5;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--gradient-dark);
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 2rem;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-brand);
}

.footer-logo-wrap {
    display: inline-flex;
    align-items: center;
    background: #ffffff;
    padding: 0.7rem 1.1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
    box-shadow:
        0 8px 20px -8px rgba(202, 45, 45, 0.35),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: transform var(--transition-fast);
}

.footer-logo-wrap:hover { transform: translateY(-1px); }

.footer-logo-wrap img {
    height: 44px;
    width: auto;
    display: block;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand .nav-logo {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 360px;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.8);
    display: grid;
    place-items: center;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--color-accent);
    color: var(--color-white);
    transform: translateY(-2px);
}

.footer-social svg { width: 18px; height: 18px; }

.footer h5 {
    color: var(--color-white);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1.25rem;
    font-weight: 600;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover { color: var(--color-white); }

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
    flex-wrap: wrap;
    gap: 1rem;
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-up {
    animation: fadeUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) backwards;
}

.fade-up:nth-child(2) { animation-delay: 0.1s; }
.fade-up:nth-child(3) { animation-delay: 0.2s; }
.fade-up:nth-child(4) { animation-delay: 0.3s; }

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.float { animation: float 6s ease-in-out infinite; }

/* ============================================
   PAGE HEADER (subpages)
   ============================================ */

.page-header {
    padding: calc(var(--nav-height) + 4rem) 0 4rem;
    background: var(--gradient-hero);
    color: var(--color-white);
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(at 18% 28%, rgba(245, 121, 31, 0.45) 0px, transparent 50%),
        radial-gradient(at 82% 72%, rgba(202, 45, 45, 0.5) 0px, transparent 55%);
    z-index: -1;
}

.page-header h1 {
    color: var(--color-white);
    max-width: 720px;
}

.page-header p {
    color: rgba(255,255,255,0.82);
    font-size: 1.125rem;
    max-width: 640px;
    margin-top: 1rem;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.65);
    margin-bottom: 1.5rem;
}

.breadcrumb a {
    color: rgba(255,255,255,0.85);
}

.breadcrumb a:hover { color: var(--color-white); }

.breadcrumb svg { width: 14px; height: 14px; }

/* Detail page content */
.detail-content {
    max-width: 880px;
    margin: 0 auto;
}

.detail-content h2 {
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.detail-content h2:first-child { margin-top: 0; }

.detail-content p {
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.detail-content ul {
    margin: 1rem 0 1.5rem 1.5rem;
}

.detail-content ul li {
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

/* ============================================
   PRODUCT DETAIL PAGES
   ============================================ */

.product-hero {
    padding: calc(var(--nav-height) + 4rem) 0 4.5rem;
    background: var(--gradient-hero);
    color: var(--color-white);
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(at 18% 28%, rgba(245, 121, 31, 0.45) 0px, transparent 50%),
        radial-gradient(at 82% 72%, rgba(202, 45, 45, 0.5) 0px, transparent 55%);
    z-index: -1;
}

.product-hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.product-hero h1 {
    color: var(--color-white);
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    margin-bottom: 1rem;
}

.product-hero p {
    color: rgba(255,255,255,0.85);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.product-hero .hero-cta { margin-top: 0.5rem; }

.product-tier {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.2);
    padding: 0.4rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.95);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.product-tier .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-success);
    box-shadow: 0 0 12px var(--color-success);
}

.product-hero-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 380px;
}

/* "Bir Bakışta" 2 column */
.overview {
    padding: 5.5rem 0;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 4rem;
    align-items: center;
}

.overview-grid.reverse { direction: rtl; }
.overview-grid.reverse > * { direction: ltr; }

.overview h2 { margin-bottom: 1.25rem; }
.overview p {
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.overview-points {
    list-style: none;
    margin-top: 2rem;
}

.overview-points li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
    color: var(--color-text);
    font-weight: 500;
}

.overview-points li svg {
    width: 22px;
    height: 22px;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 1px;
}

/* Modules grid */
.modules-section { padding: 5rem 0; background: var(--color-bg-soft); }

.module-cell {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    transition: all var(--transition-base);
}

.module-cell:hover {
    border-color: rgba(202, 45, 45, 0.35);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.module-cell-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--color-accent-soft);
    color: var(--color-accent);
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.module-cell-icon svg { width: 22px; height: 22px; }

.module-cell h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.module-cell p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* V11 comparison table */
.compare-section { padding: 5.5rem 0; }

.compare-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border);
}

.compare-table thead th {
    background: var(--color-bg-soft);
    padding: 1.25rem;
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border);
}

.compare-table thead th:first-child {
    text-align: left;
    color: var(--color-text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.75rem;
}

.compare-table thead th.featured-col {
    background: var(--gradient-brand);
    color: var(--color-white);
    position: relative;
    padding-top: 2.25rem;
}

.compare-table thead th.featured-col::before {
    content: 'En Çok Tercih Edilen';
    position: absolute;
    top: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.18);
    color: var(--color-white);
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.2rem 0.55rem;
    border-radius: 999px;
    white-space: nowrap;
    border: 1px solid rgba(255,255,255,0.25);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.compare-table tbody td {
    padding: 1rem 1.25rem;
    text-align: center;
    border-bottom: 1px solid var(--color-border-soft);
    font-size: 0.9375rem;
    color: var(--color-text);
}

.compare-table tbody td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--color-text-muted);
}

.compare-table tbody tr:last-child td { border-bottom: none; }

.compare-table .check {
    color: var(--color-success);
    font-weight: 700;
    font-size: 1.125rem;
}

.compare-table .dash { color: var(--color-text-light); }

.compare-table tbody td.featured-cell {
    background: rgba(202, 45, 45, 0.04);
}

/* Related products */
.related-section {
    padding: 5rem 0;
    background: var(--color-bg-soft);
    border-top: 1px solid var(--color-border-soft);
}

/* CTA banner */
.cta-banner {
    background: var(--gradient-hero);
    color: var(--color-white);
    padding: 4rem 0;
    text-align: center;
    position: relative;
    isolation: isolate;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(at 30% 50%, rgba(245, 121, 31, 0.4) 0px, transparent 50%),
        radial-gradient(at 70% 50%, rgba(202, 45, 45, 0.4) 0px, transparent 50%);
    z-index: -1;
}

.cta-banner h2 {
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.cta-banner p {
    color: rgba(255,255,255,0.85);
    font-size: 1.0625rem;
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-banner-cta .btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--color-white);
    border-color: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
}

.cta-banner-cta .btn-secondary:hover {
    background: rgba(255,255,255,0.18);
    color: var(--color-white);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .mobile-showcase { grid-template-columns: 1fr; }
    .mobile-showcase-visual { min-height: auto; padding: 2rem 0; }
    .about-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .hero-inner { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .hero h1 { text-align: center; }
    .hero p { margin: 0 auto 2.5rem; }
    .hero-cta { justify-content: center; }
    .hero-visual { min-height: auto; padding: 1rem 0; }
    .phone-frame { transform: none; }
    .hero-floating-badge.top-right { right: 4%; }
    .hero-floating-badge.bottom-left { left: 4%; }
    .trust-grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem 2rem; }
    .phone-stack .phone-frame:nth-child(1),
    .phone-stack .phone-frame:nth-child(2) { transform: none; }
    .product-hero-grid { grid-template-columns: 1fr; gap: 3rem; text-align: center; }
    .product-hero h1 { text-align: center; }
    .product-hero p { margin-left: auto; margin-right: auto; max-width: 600px; }
    .product-hero .hero-cta { justify-content: center; }
    .product-hero-visual { min-height: auto; }
    .overview-grid { grid-template-columns: 1fr; gap: 3rem; }
    .overview-grid.reverse { direction: ltr; }
    .compare-table { font-size: 0.875rem; }
    .compare-table thead th,
    .compare-table tbody td { padding: 0.875rem 0.75rem; }

    /* Hamburger menü 1024'e kadar açık — tablet'te de menü item'ları sığmadığı için */
    .nav-toggle { display: grid; place-items: center; }

    .nav-menu {
        display: none;
        position: fixed;
        top: var(--nav-height);
        left: 0;
        right: 0;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: var(--color-white);
        padding: 1rem 1.5rem 2rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--color-border);
        max-height: calc(100vh - var(--nav-height));
        overflow-y: auto;
        animation: navSlideDown 220ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-menu.open { display: flex; }

    @keyframes navSlideDown {
        from { opacity: 0; transform: translateY(-12px); }
        to { opacity: 1; transform: translateY(0); }
    }

    .nav-link {
        padding: 0.875rem 1rem;
        font-size: 1rem;
        border-bottom: 1px solid var(--color-border-soft);
        border-radius: 0;
        width: 100%;
    }

    .nav-cta {
        margin-left: 0;
        margin-top: 1rem;
    }

    .nav-cta .btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .section { padding: 3.5rem 0; }
    .hero { padding: calc(var(--nav-height) + 3rem) 0 4rem; }
    .hero-floating-badge { display: none; }
    .nav-logo img { height: 44px; }
    .trust-grid { grid-template-columns: 1fr 1fr; }
    .phone-stack { grid-template-columns: 1fr; max-width: 260px; margin: 0 auto; gap: 1rem; }
    .compare-section { padding: 3.5rem 0; }
    .compare-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 0 -1rem; padding: 0 1rem 1rem; }
    .compare-table { min-width: 600px; }
    .module-cell { padding: 1.25rem; }

    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }

    /* Phone trio shrink on tablet */
    .phone-trio { max-width: 380px; height: 460px; }
    .phone-trio .phone-frame { width: 200px; }
    .phone-trio .phone-frame:nth-child(1) {
        transform: perspective(1200px) translateX(-110px) translateY(20px) rotateY(10deg) rotateZ(-5deg) scale(0.85);
    }
    .phone-trio .phone-frame:nth-child(3) {
        transform: perspective(1200px) translateX(110px) translateY(20px) rotateY(-10deg) rotateZ(5deg) scale(0.85);
    }
    .phone-badge { transform: scale(0.9); }
    .phone-badge.middle-right { display: none; }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
        margin-top: 3rem;
        padding-top: 2rem;
    }

    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; }

    .feature-list { grid-template-columns: 1fr; }

    .about-stats { grid-template-columns: 1fr 1fr; }

    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .contact-form { padding: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }

    .phone-mockup { width: 240px; height: 480px; }

    .section-header { margin-bottom: 2.5rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .card, .product-card { padding: 1.5rem; }
    .hero p { font-size: 1rem; }
    .stat-value { font-size: 2rem; }

    /* Phone trio: sadece ortadaki büyük telefon, kanat olanlar gizli */
    .phone-trio { max-width: 280px; height: 480px; }
    .phone-trio .phone-frame:nth-child(1),
    .phone-trio .phone-frame:nth-child(3) { display: none; }
    .phone-trio .phone-frame:nth-child(2) {
        transform: perspective(1400px) rotateY(-2deg) scale(1);
        width: 240px;
    }
    .phone-badge { display: none; }
}