/* ═══════════════════════════════════════════════════════════════
   SATCHEL-APPS — Premium Landing Page Styles
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ──────────────────────────────────── */
:root {
    /* Colors */
    --color-bg: #060918;
    --color-bg-elevated: #0a0e24;
    --color-surface: rgba(15, 20, 50, 0.55);
    --color-surface-hover: rgba(20, 28, 65, 0.7);

    --color-primary: #6C63FF;
    --color-secondary: #00D4FF;
    --color-tertiary: #A855F7;
    --color-accent-warm: #ec4899;

    --color-text: #F0F0FF;
    --color-text-secondary: rgba(200, 210, 240, 0.65);
    --color-text-muted: rgba(160, 170, 210, 0.4);

    --color-border: rgba(108, 99, 255, 0.12);
    --color-border-hover: rgba(108, 99, 255, 0.35);

    --gradient-primary: linear-gradient(135deg, #6C63FF 0%, #00D4FF 100%);
    --gradient-purple: linear-gradient(135deg, #A855F7 0%, #6C63FF 100%);
    --gradient-glow: linear-gradient(135deg, rgba(108,99,255,0.4) 0%, rgba(0,212,255,0.4) 100%);

    --glow-primary: 0 0 40px rgba(108, 99, 255, 0.2);
    --glow-primary-strong: 0 0 60px rgba(108, 99, 255, 0.35);
    --glow-cyan: 0 0 40px rgba(0, 212, 255, 0.15);

    /* Typography */
    --font-heading: 'Exo 2', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --fs-xs: 0.75rem;     /* 12px */
    --fs-sm: 0.875rem;    /* 14px */
    --fs-base: 1rem;      /* 16px */
    --fs-md: 1.125rem;    /* 18px */
    --fs-lg: 1.25rem;     /* 20px */
    --fs-xl: 1.5rem;      /* 24px */
    --fs-2xl: 2rem;       /* 32px */
    --fs-3xl: 3rem;       /* 48px */
    --fs-4xl: 4rem;       /* 64px */
    --fs-hero: clamp(2.5rem, 6vw, 5rem);

    --lh-tight: 1.1;
    --lh-heading: 1.15;
    --lh-body: 1.65;

    /* Spacing (8px scale) */
    --sp-1: 0.25rem;   /* 4px */
    --sp-2: 0.5rem;    /* 8px */
    --sp-3: 0.75rem;   /* 12px */
    --sp-4: 1rem;      /* 16px */
    --sp-5: 1.25rem;   /* 20px */
    --sp-6: 1.5rem;    /* 24px */
    --sp-8: 2rem;      /* 32px */
    --sp-10: 2.5rem;   /* 40px */
    --sp-12: 3rem;     /* 48px */
    --sp-16: 4rem;     /* 64px */
    --sp-20: 5rem;     /* 80px */
    --sp-24: 6rem;     /* 96px */
    --sp-30: 7.5rem;   /* 120px */

    /* Layout */
    --max-width: 1200px;
    --nav-height: 72px;

    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --duration-fast: 200ms;
    --duration-base: 300ms;
    --duration-slow: 500ms;

    /* Z-index scale */
    --z-base: 0;
    --z-content: 10;
    --z-overlay: 20;
    --z-nav: 100;
    --z-modal: 1000;
}


/* ── Reset & Base ───────────────────────────────────────────── */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-base);
    line-height: var(--lh-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: var(--lh-heading);
}

::selection {
    background: rgba(108, 99, 255, 0.35);
    color: #fff;
}


/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-full);
}

html {
    scrollbar-width: thin;
    scrollbar-color: var(--color-primary) transparent;
}


/* ── Utilities ──────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

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

.glass-card {
    background: var(--color-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
}


/* ── Scroll Reveal ──────────────────────────────────────────── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}


/* ── Button ─────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-4) var(--sp-8);
    border-radius: var(--radius-full);
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: all var(--duration-base) var(--ease-out);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 24px rgba(108, 99, 255, 0.3);
}

.btn--primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 40px rgba(108, 99, 255, 0.45);
}

.btn--primary:hover::before {
    opacity: 1;
}

.btn--primary:active {
    transform: translateY(0) scale(0.98);
}

.btn__arrow {
    transition: transform var(--duration-base) var(--ease-out);
}

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


/* ═══════════════════════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: var(--z-nav);
    transition: all var(--duration-base) var(--ease-out);
}

.nav.scrolled {
    background: rgba(6, 9, 24, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav__container {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--sp-6);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    z-index: calc(var(--z-nav) + 1);
}

.nav__logo-icon {
    display: flex;
    align-items: center;
}

.nav__logo-img {
    filter: invert(1);
    object-fit: contain;
}

.nav__logo-text {
    font-family: var(--font-heading);
    font-size: var(--fs-lg);
    font-weight: 600;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: var(--sp-10);
}

.nav__link {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0.03em;
    position: relative;
    transition: color var(--duration-base) var(--ease-out);
    padding: var(--sp-2) 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--duration-base) var(--ease-out);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-text);
}

.nav__link:hover::after,
.nav__link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__link--cta {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 500;
    padding: var(--sp-2) var(--sp-5);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--duration-base) var(--ease-out);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--glow-primary);
}

/* Hamburger */
.nav__hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    z-index: calc(var(--z-nav) + 1);
}

.nav__hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: var(--radius-full);
    transition: all var(--duration-base) var(--ease-out);
    transform-origin: center;
}

.nav__hamburger.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav__hamburger.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}


/* ═══════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero__canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-base);
}

/* Gradient Orbs */
.hero__orbs {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.hero__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.4;
}

.hero__orb--1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--color-primary), transparent 70%);
    top: 10%;
    left: -10%;
    animation: float-1 18s ease-in-out infinite;
}

.hero__orb--2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-secondary), transparent 70%);
    bottom: 10%;
    right: -5%;
    animation: float-2 22s ease-in-out infinite;
}

.hero__orb--3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--color-tertiary), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float-3 20s ease-in-out infinite;
}

@keyframes float-1 {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(60px, -40px); }
    50% { transform: translate(30px, 50px); }
    75% { transform: translate(-40px, 20px); }
}

@keyframes float-2 {
    0%, 100% { transform: translate(0, 0); }
    25% { transform: translate(-50px, 30px); }
    50% { transform: translate(-20px, -60px); }
    75% { transform: translate(40px, -20px); }
}

@keyframes float-3 {
    0%, 100% { transform: translate(-50%, -50%); }
    25% { transform: translate(calc(-50% + 40px), calc(-50% + 50px)); }
    50% { transform: translate(calc(-50% - 30px), calc(-50% - 40px)); }
    75% { transform: translate(calc(-50% + 20px), calc(-50% - 20px)); }
}

/* Hero Content */
.hero__content {
    position: relative;
    z-index: var(--z-content);
    text-align: center;
    max-width: 900px;
    padding: var(--sp-6);
}

.hero__title {
    font-size: var(--fs-hero);
    font-weight: 700;
    line-height: var(--lh-tight);
    margin-bottom: var(--sp-6);
    letter-spacing: -0.02em;
}

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

.hero__subtitle {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    max-width: 640px;
    margin-inline: auto;
    margin-bottom: var(--sp-10);
    line-height: var(--lh-body);
}

.hero__actions {
    margin-bottom: var(--sp-10);
}

.hero__tags {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
    flex-wrap: wrap;
}

.hero__tag {
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero__tag-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--color-primary);
    opacity: 0.5;
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: var(--sp-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: var(--z-content);
}

.hero__scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(180deg, var(--color-primary), transparent);
    position: relative;
    overflow: hidden;
}

.hero__scroll-line::after {
    content: '';
    position: absolute;
    top: -100%;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--color-secondary), transparent);
    animation: scroll-line 2s ease-in-out infinite;
}

@keyframes scroll-line {
    0% { top: -100%; }
    100% { top: 100%; }
}


/* ═══════════════════════════════════════════════════════════════
   SECTIONS (Shared)
   ═══════════════════════════════════════════════════════════════ */
.section {
    position: relative;
    padding: var(--sp-30) 0;
    overflow: hidden;
}

.section__header {
    text-align: center;
    margin-bottom: var(--sp-16);
}

.section__label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--sp-4);
    position: relative;
    padding: var(--sp-2) var(--sp-5);
    border: 1px solid rgba(108, 99, 255, 0.2);
    border-radius: var(--radius-full);
}

.section__title {
    font-size: clamp(2rem, 4vw, var(--fs-3xl));
    font-weight: 600;
    letter-spacing: -0.02em;
}


/* ═══════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════ */
.about__content {
    max-width: 860px;
    margin-inline: auto;
}

.about__card {
    padding: var(--sp-12);
    position: relative;
}

.about__card-glow {
    position: absolute;
    top: -1px;
    left: 20%;
    right: 20%;
    height: 1px;
    background: var(--gradient-primary);
    filter: blur(1px);
}

.about__card-glow::after {
    content: '';
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 30px;
    background: var(--gradient-glow);
    filter: blur(20px);
    opacity: 0.5;
}

.about__text {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    line-height: 1.8;
    text-align: center;
    margin-bottom: var(--sp-12);
}

.about__features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-6);
}

.about__feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-3);
    text-align: center;
}

.about__feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    transition: all var(--duration-base) var(--ease-out);
}

.about__feature:hover .about__feature-icon {
    background: rgba(108, 99, 255, 0.15);
    border-color: var(--color-border-hover);
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

.about__feature span {
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
}


/* ═══════════════════════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════════════════════ */
.services {
    background: linear-gradient(180deg, transparent, rgba(108, 99, 255, 0.03), transparent);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--sp-6);
}

.service-card {
    padding: var(--sp-10);
    transition: all var(--duration-slow) var(--ease-out);
    cursor: default;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-border-hover);
    box-shadow: var(--glow-primary);
    background: var(--color-surface-hover);
}

.service-card__icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(108, 99, 255, 0.08);
    border: 1px solid var(--color-border);
    margin-bottom: var(--sp-6);
    transition: all var(--duration-base) var(--ease-out);
    position: relative;
}

.service-card:hover .service-card__icon-wrap {
    border-color: var(--color-border-hover);
    box-shadow: 0 0 30px rgba(108, 99, 255, 0.25);
    background: rgba(108, 99, 255, 0.12);
}

.service-card__title {
    font-size: var(--fs-xl);
    font-weight: 600;
    margin-bottom: var(--sp-3);
    transition: color var(--duration-base) var(--ease-out);
}

.service-card:hover .service-card__title {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.service-card__desc {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.service-card__line {
    margin-top: var(--sp-8);
    height: 1px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s var(--ease-out);
}

.service-card:hover .service-card__line {
    transform: scaleX(1);
}

/* Stagger delays */
.service-card[data-delay="0"] { transition-delay: 0ms; }
.service-card[data-delay="1"] { transition-delay: 0ms; }
.service-card[data-delay="2"] { transition-delay: 0ms; }
.service-card[data-delay="3"] { transition-delay: 0ms; }

/* Stagger reveal delays */
.service-card.reveal[data-delay="0"] { transition-delay: 0ms; }
.service-card.reveal[data-delay="1"] { transition-delay: 100ms; }
.service-card.reveal[data-delay="2"] { transition-delay: 200ms; }
.service-card.reveal[data-delay="3"] { transition-delay: 300ms; }

.service-card.revealed {
    transition-delay: 0ms !important;
}


/* ═══════════════════════════════════════════════════════════════
   VISION
   ═══════════════════════════════════════════════════════════════ */
.vision {
    position: relative;
}

.vision__grid-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    opacity: 0.15;
    /* Grid created via JS (canvas) or CSS */
    background-image:
        linear-gradient(rgba(108, 99, 255, 0.3) 1px, transparent 1px),
        linear-gradient(90deg, rgba(108, 99, 255, 0.3) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 70%);
    animation: grid-pulse 6s ease-in-out infinite;
}

@keyframes grid-pulse {
    0%, 100% { opacity: 0.12; }
    50% { opacity: 0.22; }
}

.vision__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: 0;
}

.vision__orb--1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(108, 99, 255, 0.2), transparent 70%);
    top: 10%;
    right: -10%;
    animation: float-2 20s ease-in-out infinite;
}

.vision__orb--2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15), transparent 70%);
    bottom: 10%;
    left: -5%;
    animation: float-1 18s ease-in-out infinite;
}

.vision__content {
    max-width: 900px;
    margin-inline: auto;
    text-align: center;
    position: relative;
    z-index: var(--z-content);
}

.vision__text {
    font-size: clamp(var(--fs-md), 2.2vw, var(--fs-xl));
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--sp-16);
}

.vision__pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--sp-8);
}

.vision__pillar {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--sp-4);
}

.vision__pillar-number {
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.6;
}

.vision__pillar-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--color-primary), transparent);
}

.vision__pillar-title {
    font-size: var(--fs-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}


/* ═══════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════ */
.contact {
    text-align: center;
    background: linear-gradient(180deg, transparent, rgba(108, 99, 255, 0.04), transparent);
}

.contact__content {
    max-width: 640px;
    margin-inline: auto;
}

.contact__title {
    margin-bottom: var(--sp-6);
}

.contact__text {
    font-size: var(--fs-md);
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--sp-10);
}

.contact__actions {
    margin-bottom: var(--sp-8);
}

.contact__email {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    position: relative;
    padding-bottom: 2px;
    transition: color var(--duration-base) var(--ease-out);
}

.contact__email::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--duration-base) var(--ease-out);
    transform-origin: left;
}

.contact__email:hover {
    color: var(--color-text-secondary);
}

.contact__email:hover::after {
    transform: scaleX(1);
}


/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.footer {
    padding: var(--sp-16) 0 var(--sp-8);
    position: relative;
}

.footer__gradient-line {
    position: absolute;
    top: 0;
    left: 10%;
    right: 10%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-secondary), transparent);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--sp-12);
    margin-bottom: var(--sp-12);
}

.footer__brand .nav__logo {
    margin-bottom: var(--sp-4);
}

.footer__tagline {
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    max-width: 300px;
}

.footer__heading {
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--sp-4);
}

.footer__link {
    display: block;
    font-size: var(--fs-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--sp-2);
    transition: color var(--duration-base) var(--ease-out);
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__bottom {
    padding-top: var(--sp-8);
    border-top: 1px solid var(--color-border);
}

.footer__copyright {
    font-size: var(--fs-xs);
    color: var(--color-text-muted);
    text-align: center;
}


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

/* Tablet */
@media (max-width: 1024px) {
    .services__grid {
        gap: var(--sp-4);
    }

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

    .vision__pillars {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-6);
    }
}

/* Mobile Nav */
@media (max-width: 768px) {
    .nav__hamburger {
        display: flex;
    }

    .nav__links {
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100dvh;
        background: rgba(6, 9, 24, 0.96);
        backdrop-filter: blur(24px);
        -webkit-backdrop-filter: blur(24px);
        flex-direction: column;
        justify-content: center;
        gap: var(--sp-8);
        padding: var(--sp-12);
        transform: translateX(100%);
        transition: transform var(--duration-slow) var(--ease-out);
        border-left: 1px solid var(--color-border);
        z-index: var(--z-nav);
    }

    .nav__links.open {
        transform: translateX(0);
    }

    .nav__link {
        font-size: var(--fs-lg);
    }

    .nav__link--cta {
        text-align: center;
        width: 100%;
        display: block;
        padding: var(--sp-4) var(--sp-6);
    }

    /* Sections */
    .section {
        padding: var(--sp-20) 0;
    }

    .hero__subtitle {
        font-size: var(--fs-base);
    }

    .hero__br {
        display: none;
    }

    .hero__tags {
        gap: var(--sp-3);
    }

    .services__grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: var(--sp-8);
    }

    .about__card {
        padding: var(--sp-8);
    }

    .about__features {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-4);
    }

    .vision__pillars {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--sp-6);
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--sp-8);
    }

    .section__title {
        font-size: clamp(1.75rem, 5vw, var(--fs-2xl));
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding-inline: var(--sp-4);
    }

    .hero__title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

    .hero__subtitle {
        font-size: var(--fs-sm);
    }

    .about__features {
        grid-template-columns: 1fr 1fr;
    }

    .vision__pillars {
        grid-template-columns: 1fr 1fr;
    }
}


/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
    }

    .hero__orb {
        animation: none !important;
    }

    .vision__grid-bg {
        animation: none !important;
        opacity: 0.1;
    }
}