/* ═══════════════════════════════════════════
   BRIGHTSPAN — Global Design System
   ═══════════════════════════════════════════ */

:root {
    /* Colors */
    --bg: #030303;
    --bg-elevated: #111111;
    --bg-card: #161616;
    --bg-card-hover: #1c1c1c;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.6);
    --text-tertiary: rgba(255, 255, 255, 0.35);
    --accent: #e8461c;
    --accent-warm: #ff6b35;
    --accent-amber: #f5a623;
    --glow-primary: rgba(142, 45, 14, 0.6);
    /* deep red-orange */
    --glow-secondary: rgba(181, 74, 21, 0.5);
    /* bright orange */
    --glow-tertiary: rgba(85, 23, 5, 0.7);
    /* dark red */
    --border: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-pad: clamp(80px, 10vw, 140px);
    --container-pad: clamp(20px, 4vw, 60px);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */

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

html {
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) var(--bg);
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text-primary);
    overflow-x: hidden;
    /* 'clip' is unsupported on older iOS Safari and causes black screen */
    cursor: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    cursor: none;
}

button {
    border: none;
    background: none;
    color: inherit;
    font-family: inherit;
    cursor: none;
}

img {
    display: block;
    max-width: 100%;
}

/* ═══════════════════════════════════════════
   PRELOADER
   ═══════════════════════════════════════════ */

.preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.preloader.hide {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    text-align: center;
    width: 260px;
}

.preloader-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-warm) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preloader-bar-track {
    width: 100%;
    height: 2px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
}

.preloader-bar-fill {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-amber));
    border-radius: 2px;
    transition: width 0.1s linear;
}

.preloader-percent {
    margin-top: 16px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-tertiary);
    letter-spacing: 0.1em;
}

/* ═══════════════════════════════════════════
   CUSTOM CURSOR
   ═══════════════════════════════════════════ */

.cursor-dot {
    width: 6px;
    height: 6px;
    background: var(--text-primary);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9999;
    transform: translate(-50%, -50%);
    transition: width 0.3s var(--ease-out), height 0.3s var(--ease-out), background 0.3s;
}

.cursor-ring {
    width: 36px;
    height: 36px;
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    position: fixed;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: width 0.4s var(--ease-out), height 0.4s var(--ease-out),
        border-color 0.3s, opacity 0.3s, background 0.3s;
}

.cursor-hover .cursor-dot {
    width: 0;
    height: 0;
}

.cursor-hover .cursor-ring {
    width: 64px;
    height: 64px;
    border-color: var(--accent);
    background: rgba(232, 70, 28, 0.1);
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px var(--container-pad);
    mix-blend-mode: difference;
    transition: padding 0.4s var(--ease-out);
}

.navbar.scrolled {
    padding-top: 16px;
    padding-bottom: 16px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--text-primary);
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.02em;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--text-secondary);
    transition: color 0.3s;
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: width 0.4s var(--ease-out);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link:hover::after {
    width: 100%;
}



.navbar-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    z-index: 1001;
}

.menu-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: transform 0.4s var(--ease-out), opacity 0.3s;
    transform-origin: center;
}

.navbar-menu-btn.active .menu-line:first-child {
    transform: translateY(4px) rotate(45deg);
}

.navbar-menu-btn.active .menu-line:last-child {
    transform: translateY(-4px) rotate(-45deg);
}

/* ═══════════════════════════════════════════
   MOBILE MENU
   ═══════════════════════════════════════════ */

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--ease-out), visibility 0.5s;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.mobile-link {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--text-secondary);
    transition: color 0.3s, transform 0.4s var(--ease-out);
    transform: translateY(30px);
    opacity: 0;
}

.mobile-menu.active .mobile-link {
    transform: translateY(0);
    opacity: 1;
}

.mobile-menu.active .mobile-link:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-menu.active .mobile-link:nth-child(2) {
    transition-delay: 0.15s;
}

.mobile-menu.active .mobile-link:nth-child(3) {
    transition-delay: 0.2s;
}

.mobile-menu.active .mobile-link:nth-child(4) {
    transition-delay: 0.25s;
}

.mobile-menu.active .mobile-link:nth-child(5) {
    transition-delay: 0.3s;
}

.mobile-link:hover {
    color: var(--text-primary);
    transform: translateX(10px) !important;
}

/* ═══════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════ */

.hero {
    position: relative;
    min-height: 100vh;
    /* fallback */
    min-height: 100dvh;
    /* accounts for iOS Safari dynamic toolbar */
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px var(--container-pad) 60px;
}

/* Ambient Glow Effects */
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    -webkit-filter: blur(120px);
    pointer-events: none;
    will-change: transform;
}

.hero-glow-1 {
    width: 60%;
    height: 800px;
    background: radial-gradient(ellipse at top, var(--glow-primary) 0%, transparent 60%);
    top: -100px;
    left: 20%;
    animation: glowPulse1 12s ease-in-out infinite;
}

.hero-glow-2 {
    width: 50%;
    height: 900px;
    background: radial-gradient(ellipse at right, var(--glow-secondary) 0%, transparent 70%);
    top: 0%;
    right: -10%;
    animation: glowPulse2 10s ease-in-out infinite;
}

.hero-glow-3 {
    width: 60%;
    height: 800px;
    background: radial-gradient(ellipse at left, var(--glow-tertiary) 0%, transparent 70%);
    top: 20%;
    left: -10%;
    animation: glowPulse3 14s ease-in-out infinite;
}

@keyframes glowPulse1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.6;
    }

    33% {
        transform: translate(30px, -20px) scale(1.1);
        opacity: 0.8;
    }

    66% {
        transform: translate(-20px, 15px) scale(0.95);
        opacity: 0.5;
    }
}

@keyframes glowPulse2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.5;
    }

    50% {
        transform: translate(-40px, 20px) scale(1.15);
        opacity: 0.7;
    }
}

@keyframes glowPulse3 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
        opacity: 0.4;
    }

    40% {
        transform: translate(25px, -30px) scale(1.1);
        opacity: 0.6;
    }

    70% {
        transform: translate(-15px, 10px) scale(0.9);
        opacity: 0.35;
    }
}

/* Hero Content Layout */
.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

/* Headline */
.hero-headline {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    position: relative;
    width: 100%;
}

.headline-word {
    font-family: var(--font-display);
    font-size: clamp(5rem, 12vw, 12rem);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    display: flex;
    white-space: nowrap;
}

.char-wrap {
    display: inline-block;
    overflow: hidden;
}

.char {
    display: inline-block;
    transform: translateY(120%);
    transition: transform 0.8s var(--ease-out);
}

.char-wrap:nth-child(1) .char {
    transition-delay: 0.05s;
}

.char-wrap:nth-child(2) .char {
    transition-delay: 0.08s;
}

.char-wrap:nth-child(3) .char {
    transition-delay: 0.11s;
}

.char-wrap:nth-child(4) .char {
    transition-delay: 0.14s;
}

.char-wrap:nth-child(5) .char {
    transition-delay: 0.17s;
}

.char-wrap:nth-child(6) .char {
    transition-delay: 0.20s;
}



.headline-right .char-wrap:nth-child(1) .char {
    transition-delay: 0.30s;
}

.headline-right .char-wrap:nth-child(2) .char {
    transition-delay: 0.33s;
}

.headline-right .char-wrap:nth-child(3) .char {
    transition-delay: 0.36s;
}

.headline-right .char-wrap:nth-child(4) .char {
    transition-delay: 0.39s;
}

.headline-right .char-wrap:nth-child(5) .char {
    transition-delay: 0.42s;
}

.headline-right .char-wrap:nth-child(6) .char {
    transition-delay: 0.45s;
}

body.loaded .char {
    transform: translateY(0);
}

/* Image Stack — Kinetic Card Deck */
.image-stack {
    position: relative;
    width: clamp(220px, 24vw, 340px);
    height: clamp(280px, 30vw, 420px);
    flex-shrink: 0;
    margin: 0 clamp(-10px, -1vw, -5px);
    z-index: 5;
    -webkit-perspective: 1400px;
    perspective: 1400px;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
}

/* Subtle idle float on the whole deck */
body.loaded .image-stack {
    animation: deckFloat 7s ease-in-out infinite;
}

@keyframes deckFloat {

    0%,
    100% {
        transform: translateY(0px) rotateZ(0deg);
    }

    20% {
        transform: translateY(-5px) rotateZ(0.25deg);
    }

    50% {
        transform: translateY(-10px) rotateZ(-0.3deg);
    }

    80% {
        transform: translateY(-3px) rotateZ(0.15deg);
    }
}

.stack-card {
    position: absolute;
    inset: 0;
    border-radius: 18px;
    overflow: hidden;
    will-change: transform, opacity;
    transform-origin: center bottom;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    /* Spring-based shuffle transition */
    transition:
        transform 0.85s cubic-bezier(0.34, 1.56, 0.64, 1),
        opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.85s cubic-bezier(0.16, 1, 0.3, 1),
        filter 0.6s ease;
}

/* Per-card stagger delays for cascading spring feel */


/* Refined inner border / gloss overlay */
.stack-card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
    z-index: 2;
}

.stack-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* === Before page load: all cards stacked tight and invisible === */
body:not(.loaded) .stack-card {
    transform: scale(0.88) translateY(40px) rotateX(8deg);
    opacity: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Exit animations are handled entirely by JavaScript inline styles */

/* === Glow under top card with pulse === */
.image-stack::before {
    content: '';
    position: absolute;
    bottom: -35px;
    left: 5%;
    right: 5%;
    height: 70px;
    background: radial-gradient(ellipse, var(--glow-primary) 0%, var(--glow-secondary) 50%, transparent 80%);
    filter: blur(25px);
    pointer-events: none;
    z-index: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
    animation: glowPulseStack 4s ease-in-out infinite;
}

@keyframes glowPulseStack {

    0%,
    100% {
        opacity: 0.6;
        transform: scaleX(1);
    }

    50% {
        opacity: 1;
        transform: scaleX(1.1);
    }
}

body.loaded .image-stack::before {
    opacity: 1;
}

/* Hero Bottom */
.hero-bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
    transition-delay: 0.8s;
}

body.loaded .hero-bottom {
    opacity: 1;
    transform: translateY(0);
}

.hero-description {
    max-width: 420px;
}

.hero-description p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 28px;
}

/* CTA Button */
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background: var(--text-primary);
    color: var(--bg);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 500;
    overflow: hidden;
    position: relative;
    transition: background 0.4s var(--ease-out), transform 0.3s var(--ease-out);
}

.cta-btn:hover {
    background: var(--accent);
    color: var(--text-primary);
    transform: scale(1.02);
}

.cta-text {
    transition: transform 0.4s var(--ease-out);
}

.cta-text-hover {
    position: absolute;
    left: 28px;
    transform: translateY(150%);
}

.cta-btn:hover .cta-text:first-of-type {
    transform: translateY(-150%);
}

.cta-btn:hover .cta-text-hover {
    transform: translateY(0);
}

.cta-arrow {
    display: flex;
    align-items: center;
    transition: transform 0.3s var(--ease-out);
}

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

/* Service Tags */
.hero-services {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: flex-end;
}

.service-tag {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    min-width: 260px;
    font-size: 0.9rem;
    font-weight: 400;
    color: var(--text-secondary);
    transition: color 0.3s, border-color 0.3s, padding-right 0.3s var(--ease-out);
}

.service-tag:first-child {
    border-top: 1px solid var(--border);
}

.service-tag:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
    padding-right: 8px;
}

.service-arrow {
    display: flex;
    align-items: center;
    opacity: 0.4;
    transition: opacity 0.3s, transform 0.3s var(--ease-out);
}

.service-tag:hover .service-arrow {
    opacity: 1;
    transform: translate(3px, -3px);
}

/* ═══════════════════════════════════════════
   SERVICES SECTION
   ═══════════════════════════════════════════ */

.services-section {
    padding: var(--section-pad) var(--container-pad);
    max-width: 1440px;
    margin: 0 auto;
}

.services-header {
    margin-bottom: 60px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-warm);
    margin-bottom: 24px;
}

.section-label-center {
    justify-content: center;
    width: 100%;
}

.label-dot {
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
    animation: dotPulse 2s ease-in-out infinite;
}

@keyframes dotPulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.services-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-primary);
    max-width: 680px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.services-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    overflow: hidden;
    transition: transform 0.5s var(--ease-out), border-color 0.4s, background 0.4s;
    opacity: 0;
    transform: translateY(50px);
}

.service-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(180deg, rgba(232, 70, 28, 0.06) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.4s;
}

.service-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-6px);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card-number {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-warm);
    letter-spacing: 0.05em;
}

.service-card-icon {
    width: 48px;
    height: 48px;
    color: var(--text-secondary);
    transition: color 0.3s;
}

.service-card:hover .service-card-icon {
    color: var(--accent-warm);
}

.service-card-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.service-card-desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-secondary);
    flex: 1;
}

.service-card-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all 0.3s var(--ease-out);
    align-self: flex-start;
}

.service-card:hover .service-card-link {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text-primary);
    transform: rotate(-45deg) scale(1.05);
}

/* ═══════════════════════════════════════════
   STAGGER TESTIMONIALS SECTION
   ═══════════════════════════════════════════ */

.testimonials-section {
    padding: var(--section-pad) var(--container-pad);
    max-width: 1440px;
    margin: 0 auto;
}

.testimonials-header {
    margin-bottom: 40px;
}

.testimonials-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.testimonials-title.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ── Stagger container ── */
.stagger-testimonials {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 24px;
    border: 1px solid var(--border);
}

/* ── Individual Card ── */
.stagger-card {
    position: absolute;
    left: 50%;
    top: 50%;
    padding: 32px;
    cursor: pointer;
    border: 2px solid var(--border);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    clip-path: polygon(50px 0%, calc(100% - 50px) 0%, 100% 50px, 100% 100%, calc(100% - 50px) 100%, 50px 100%, 0 100%, 0 0);
    /* Will be set by JS: width, height, transform */
}

/* Active / center card */
.stagger-card.is-active {
    z-index: 10;
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0px 8px 0px 4px var(--border);
}

.stagger-card:not(.is-active) {
    z-index: 0;
}

.stagger-card:not(.is-active):hover {
    border-color: rgba(232, 70, 28, 0.5);
}

/* ── Corner diagonal line decoration ── */
.stagger-card-corner {
    position: absolute;
    display: block;
    right: -2px;
    top: 48px;
    width: 70.71px;
    /* sqrt(5000) ≈ 70.71 */
    height: 2px;
    background: var(--border);
    transform-origin: top right;
    transform: rotate(45deg);
}

.stagger-card.is-active .stagger-card-corner {
    background: rgba(255, 255, 255, 0.3);
}

/* ── Avatar ── */
.stagger-card-avatar {
    width: 48px;
    height: 56px;
    object-fit: cover;
    object-position: top;
    margin-bottom: 16px;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 3px 3px 0px var(--bg-primary);
}

/* ── Quote text ── */
.stagger-card-quote {
    font-family: var(--font-display);
    font-size: clamp(0.9rem, 1.3vw, 1.2rem);
    font-weight: 500;
    line-height: 1.6;
    color: var(--text-primary);
}

.stagger-card.is-active .stagger-card-quote {
    color: #fff;
}

.stagger-card:not(.is-active) .stagger-card-quote {
    color: var(--text-primary);
}

/* ── Attribution ── */
.stagger-card-by {
    position: absolute;
    bottom: 32px;
    left: 32px;
    right: 32px;
    font-size: 0.85rem;
    font-style: italic;
    color: var(--text-secondary);
}

.stagger-card.is-active .stagger-card-by {
    color: rgba(255, 255, 255, 0.75);
}

/* ── Navigation buttons ── */
.stagger-nav {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 20;
}

.stagger-nav-btn {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.25s ease;
    font-size: 0;
}

.stagger-nav-btn:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.stagger-nav-btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .stagger-testimonials {
        height: 520px;
    }
}

/* ═══════════════════════════════════════════
   CTA SECTION
   ═══════════════════════════════════════════ */

.cta-section {
    padding: var(--section-pad) var(--container-pad);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--glow-orange) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    filter: blur(100px);
    pointer-events: none;
    opacity: 0.3;
}

.cta-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.cta-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.cta-title em {
    font-style: italic;
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-amber) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-main-btn {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    padding: 18px 36px;
    background: var(--text-primary);
    color: var(--bg);
    border-radius: 100px;
    font-size: 1rem;
    font-weight: 600;
    overflow: hidden;
    position: relative;
    transition: background 0.4s var(--ease-out), transform 0.3s var(--ease-out);
    opacity: 0;
    transform: translateY(20px);
}

.cta-main-btn.visible {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.2s;
}

.cta-main-btn:hover {
    background: var(--accent);
    color: var(--text-primary);
    transform: scale(1.04);
}

.cta-main-text {
    transition: transform 0.4s var(--ease-out);
}

.cta-main-text-hover {
    position: absolute;
    left: 36px;
    transform: translateY(150%);
}

.cta-main-btn:hover .cta-main-text:first-of-type {
    transform: translateY(-150%);
}

.cta-main-btn:hover .cta-main-text-hover {
    transform: translateY(0);
}

.cta-main-arrow {
    display: flex;
    align-items: center;
    transition: transform 0.3s var(--ease-out);
}

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

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */

.footer {
    border-top: 1px solid var(--border);
    padding: 64px var(--container-pad) 32px;
    max-width: 1440px;
    margin: 0 auto;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 340px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    display: block;
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.875rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.footer-links-grid {
    display: flex;
    gap: 64px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col-title {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.footer-link {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    transition: color 0.3s;
}

.footer-link:hover {
    color: var(--text-primary);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.footer-copy {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    transition: all 0.3s var(--ease-out);
}

.social-link:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(232, 70, 28, 0.06);
    transform: translateY(-3px);
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */

@media (max-width: 1100px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .navbar-links {
        display: none;
    }

    /* Simplify navbar on mobile — avoid backdrop-filter which is GPU-heavy on iOS */
    .navbar {
        mix-blend-mode: normal;
        /* blend-mode: difference can cause iOS rendering bugs */
    }

    .navbar-menu-btn {
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 200px;
        padding: 12px 14px;
        -webkit-backdrop-filter: blur(10px);
        backdrop-filter: blur(10px);
    }

    .hero-headline {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }

    .headline-word {
        font-size: clamp(4rem, 16vw, 8rem);
        line-height: 0.95;
    }

    /* === iOS Safari GPU Memory Optimization === */

    /* Reduce hero glow blur from 120px to 60px on mobile — halves GPU cost */
    .hero-glow {
        filter: blur(60px);
        -webkit-filter: blur(60px);
        will-change: auto;
        /* Release compositor layer reservation */
        animation-duration: 20s;
        /* Slow down to reduce GPU repaints */
    }

    .hero-glow-1 {
        width: 50%;
        height: 500px;
    }

    .hero-glow-2 {
        width: 40%;
        height: 500px;
    }

    .hero-glow-3 {
        display: none;
        /* Remove third glow entirely on mobile */
    }

    /* Flatten 3D on mobile Safari to prevent rendering pipeline crashes */
    .image-stack {
        width: 100%;
        max-width: none;
        height: 480px;
        margin: 40px 0 0 0;
        order: 3;
        -webkit-perspective: none;
        perspective: none;
        -webkit-transform-style: flat;
        transform-style: flat;
    }

    /* Reduce compositing cost per card */
    .stack-card {
        will-change: auto;
        -webkit-backface-visibility: visible;
        backface-visibility: visible;
    }

    /* Simplify the glow-under-deck pseudo-element */
    .image-stack::before {
        filter: blur(15px);
        -webkit-filter: blur(15px);
        animation: none;
        opacity: 0.5;
    }

    /* Disable deck float animation on mobile */
    body.loaded .image-stack {
        animation: none;
    }

    /* Simplify testimonial clip-path on mobile */
    .stagger-card {
        clip-path: none;
        border-radius: 12px;
    }

    .hero-bottom {
        flex-direction: column;
        align-items: flex-start;
        margin-top: 60px;
        gap: 32px;
    }

    .hero-description {
        max-width: 100%;
        font-size: 1.05rem;
    }

    .hero-services {
        align-items: flex-start;
        width: 100%;
    }

    .service-tag {
        width: 100%;
        padding: 20px 0;
    }

    .footer-top {
        flex-direction: column;
    }

    .footer-links-grid {
        flex-wrap: wrap;
        gap: 40px;
    }

    .cursor-dot,
    .cursor-ring {
        display: none;
    }

    body {
        cursor: auto;
    }

    a,
    button {
        cursor: pointer;
    }
}

@media (max-width: 600px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

    .headline-word {
        font-size: clamp(3rem, 14vw, 5rem);
    }



    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* ═══════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════ */

.about-section {
    padding: var(--section-pad) var(--container-pad);
    background: var(--bg);
    position: relative;
    border-top: 1px solid var(--border);
}

.about-content-wrapper {
    max-width: 1440px;
    margin: 0 auto;
}

.about-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 60px;
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.about-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

.about-lead {
    font-size: clamp(1.4rem, 3.5vw, 1.8rem);
    font-weight: 300;
    line-height: 1.4;
    color: var(--text-primary);
    max-width: 1000px;
    position: relative;
    margin-bottom: 20px;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
}

.about-col p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.about-closing {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 500;
    color: var(--text-primary) !important;
    margin-top: 40px;
}

.ai-highlight {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-amber) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}