/* =============================================================================
   MAG TECHNOLOGIES - Premium iOS Development Landing Page
   World-Class Design System
   ============================================================================= */

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

:root {
    /* Safe Area Insets for iPhone Notch */
    --safe-area-inset-top: env(safe-area-inset-top, 0px);
    --safe-area-inset-right: env(safe-area-inset-right, 0px);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-inset-left: env(safe-area-inset-left, 0px);
    
    /* Typography Scale - Perfect Ratio (1.250 - Major Third) */
    --fs-xs: 0.64rem;    /* 10.24px */
    --fs-sm: 0.8rem;     /* 12.8px */
    --fs-base: 1rem;     /* 16px */
    --fs-md: 1.25rem;    /* 20px */
    --fs-lg: 1.563rem;   /* 25px */
    --fs-xl: 1.953rem;   /* 31.25px */
    --fs-2xl: 2.441rem;  /* 39px */
    --fs-3xl: 3.052rem;  /* 48.83px */
    --fs-4xl: 3.815rem;  /* 61.04px */
    --fs-5xl: 4.768rem;  /* 76.29px */
    
    /* Spacing Scale - 4px base */
    --space-1: 0.25rem;  /* 4px */
    --space-2: 0.5rem;   /* 8px */
    --space-3: 0.75rem;  /* 12px */
    --space-4: 1rem;     /* 16px */
    --space-5: 1.5rem;   /* 24px */
    --space-6: 2rem;     /* 32px */
    --space-7: 2.5rem;   /* 40px */
    --space-8: 3rem;     /* 48px */
    --space-10: 4rem;    /* 64px */
    --space-12: 6rem;    /* 96px */
    --space-16: 8rem;    /* 128px */
    --space-20: 10rem;   /* 160px */
    
    /* Colors - Monochromatic with Single Accent */
    --color-bg: #000000;
    --color-bg-subtle: #0a0a0a;
    --color-bg-muted: #111111;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);
    
    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.7);
    --color-text-tertiary: rgba(255, 255, 255, 0.5);
    --color-text-quaternary: rgba(255, 255, 255, 0.3);
    
    --color-accent: #ffffff;
    --color-accent-subtle: rgba(255, 255, 255, 0.9);
    --color-accent-muted: rgba(255, 255, 255, 0.1);
    
    /* Shadows - Extremely Subtle */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.7);
    
    /* Animation Timing */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 150ms;
    --duration-base: 250ms;
    --duration-slow: 400ms;
    
    /* Layout */
    --container-max: 1280px;
    --content-max: 720px;
    --nav-height: 80px;
}

/* -----------------------------------------------------------------------------
   Typography - Inter Variable Font
   ----------------------------------------------------------------------------- */
html {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

@supports (font-variation-settings: normal) {
    html {
        font-family: 'Inter var', -apple-system, BlinkMacSystemFont, sans-serif;
    }
}

body {
    background: var(--color-bg);
    color: var(--color-text);
    font-size: var(--fs-base);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
}

/* -----------------------------------------------------------------------------
   Ambient Canvas Background
   ----------------------------------------------------------------------------- */
#ambient-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.4;
    pointer-events: none;
}

/* -----------------------------------------------------------------------------
   Progress Bar
   ----------------------------------------------------------------------------- */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--color-accent), transparent);
    z-index: 1000;
    transition: width var(--duration-fast) var(--ease-out);
}

/* -----------------------------------------------------------------------------
   Navigation
   ----------------------------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    z-index: 100;
    padding-top: var(--safe-area-inset-top);
    transition: background var(--duration-base) var(--ease-out), 
                backdrop-filter var(--duration-base) var(--ease-out);
}

.nav.scrolled {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--color-border);
}

.nav-wrapper {
    max-width: var(--container-max);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 max(var(--space-6), var(--safe-area-inset-left));
    padding-right: max(var(--space-6), var(--safe-area-inset-right));
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: var(--fs-lg);
    letter-spacing: -0.02em;
    transition: opacity var(--duration-base) var(--ease-out);
}

.logo:hover {
    opacity: 0.7;
}

.logo-icon {
    font-size: 1.2em;
    opacity: 0.9;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-item {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--fs-sm);
    font-weight: 500;
    letter-spacing: -0.01em;
    transition: color var(--duration-base) var(--ease-out);
    position: relative;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-text);
    transition: width var(--duration-base) var(--ease-out);
}

.nav-item:hover {
    color: var(--color-text);
}

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

.nav-cta {
    padding: var(--space-2) var(--space-4);
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    border-radius: 6px;
    font-size: var(--fs-sm);
    font-weight: 600;
    cursor: pointer;
    transition: transform var(--duration-base) var(--ease-out),
                box-shadow var(--duration-base) var(--ease-out);
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--duration-base) var(--ease-out);
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: calc(var(--nav-height) + var(--safe-area-inset-top));
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 99;
    display: none;
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out);
    padding: var(--space-6) var(--safe-area-inset-right) var(--safe-area-inset-bottom) var(--safe-area-inset-left);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.mobile-nav.active {
    display: block;
    opacity: 1;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100%;
    gap: var(--space-6);
    padding: var(--space-8) 0;
}

.mobile-nav-item {
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--fs-xl);
    font-weight: 600;
    letter-spacing: -0.02em;
    transition: opacity var(--duration-base) var(--ease-out);
}

.mobile-nav-item:hover {
    opacity: 0.6;
}

.mobile-cta {
    margin-top: var(--space-4);
    padding: var(--space-4) var(--space-8);
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    border-radius: 8px;
    font-size: var(--fs-md);
    font-weight: 600;
    cursor: pointer;
}

/* -----------------------------------------------------------------------------
   Hero Section
   ----------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-12);
    padding: calc(var(--nav-height) + var(--space-8)) var(--space-6) var(--space-16);
    max-width: var(--container-max);
    margin: 0 auto;
    overflow: visible;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    padding: var(--space-2) var(--space-4);
    background: var(--color-accent-muted);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 0.2s forwards;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-6);
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 0.4s forwards;
}

.hero-description {
    font-size: var(--fs-md);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 520px;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 0.6s forwards;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    margin-bottom: var(--space-12);
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 0.8s forwards;
}

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    border-radius: 8px;
    font-size: var(--fs-base);
    font-weight: 600;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-out);
    border: none;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--color-accent-muted);
    border-color: var(--color-border-hover);
}

.btn-large {
    padding: var(--space-5) var(--space-8);
    font-size: var(--fs-md);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-10);
    padding-top: var(--space-10);
    border-top: 1px solid var(--color-border);
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 1s forwards;
}

.stat {
    text-align: left;
}

.stat-value {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
    display: block;
}

.stat-value::after {
    content: '+';
    opacity: 0.4;
    margin-left: 2px;
}

.stat-label {
    font-size: var(--fs-sm);
    color: var(--color-text-tertiary);
    letter-spacing: -0.01em;
    font-weight: 500;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
    opacity: 0;
    animation: fadeIn 1s var(--ease-out) 0.5s forwards;
}

.phone-mockup {
    position: relative;
    width: 340px;
    height: 690px;
    filter: drop-shadow(0 40px 80px rgba(0, 0, 0, 0.8));
}

.phone-frame {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #1a1a1a 0%, #0d0d0d 100%);
    border-radius: 55px;
    padding: 14px;
    box-shadow: 
        inset 0 0 0 1px rgba(255, 255, 255, 0.12),
        inset 0 0 60px rgba(255, 255, 255, 0.02),
        0 0 0 1px rgba(0, 0, 0, 0.8);
}

.phone-notch {
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 140px;
    height: 30px;
    background: #000;
    border-radius: 0 0 24px 24px;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, #0d0d0d 0%, #000 100%);
    border-radius: 46px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

.screen-content {
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 50%),
        radial-gradient(ellipse at 30% 30%, rgba(255,255,255,0.05), transparent 60%);
    animation: screenPulse 4s ease-in-out infinite;
}

@keyframes screenPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

.scroll-hint {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    color: var(--color-text-quaternary);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    opacity: 0;
    animation: fadeInUp 0.8s var(--ease-out) 1.2s forwards;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-text-quaternary), transparent);
    animation: scrollLineMove 2s ease-in-out infinite;
}

@keyframes scrollLineMove {
    0%, 100% { transform: translateY(0); opacity: 0; }
    50% { transform: translateY(10px); opacity: 1; }
}

/* -----------------------------------------------------------------------------
   Trusted By Section
   ----------------------------------------------------------------------------- */
.trusted {
    padding: var(--space-12) var(--space-6);
    border-bottom: 1px solid var(--color-border);
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.trusted-title {
    text-align: center;
    font-size: var(--fs-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-8);
}

.trusted-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-8);
    align-items: center;
}

.trusted-item {
    text-align: center;
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--color-text-tertiary);
    letter-spacing: -0.01em;
    opacity: 0.5;
    transition: opacity var(--duration-base) var(--ease-out);
}

.trusted-item:hover {
    opacity: 1;
}

/* -----------------------------------------------------------------------------
   Sections
   ----------------------------------------------------------------------------- */
.section {
    padding: var(--space-20) var(--space-6);
    position: relative;
}

.section-header {
    max-width: var(--content-max);
    margin: 0 auto var(--space-12);
    text-align: center;
}

.section-tag {
    display: inline-flex;
    padding: var(--space-2) var(--space-4);
    background: var(--color-accent-muted);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
}

.section-title {
    font-size: var(--fs-4xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-5);
}

.section-subtitle {
    font-size: var(--fs-md);
    line-height: 1.7;
    color: var(--color-text-secondary);
}

/* -----------------------------------------------------------------------------
   Services Grid
   ----------------------------------------------------------------------------- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.service-card {
    padding: var(--space-8);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all var(--duration-base) var(--ease-out);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-xl);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-muted);
    border-radius: 12px;
    margin-bottom: var(--space-5);
    color: var(--color-text);
}

.service-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3);
}

.service-desc {
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.service-features li {
    font-size: var(--fs-sm);
    color: var(--color-text-tertiary);
    padding-left: var(--space-4);
    position: relative;
}

.service-features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-text-quaternary);
}

/* -----------------------------------------------------------------------------
   Showcase Section
   ----------------------------------------------------------------------------- */
.showcase {
    background: var(--color-bg-subtle);
}

.showcase-grid {
    display: grid;
    gap: var(--space-12);
}

.showcase-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-10);
    align-items: center;
}

.showcase-item:nth-child(even) {
    direction: rtl;
}

.showcase-item:nth-child(even) > * {
    direction: ltr;
}

.showcase-image {
    position: relative;
}

.showcase-phone {
    width: 280px;
    height: 570px;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
    border-radius: 40px;
    padding: 10px;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 40px 80px rgba(0, 0, 0, 0.8);
    margin: 0 auto;
}

.showcase-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    border-radius: 32px;
}

.showcase-tag {
    display: inline-block;
    padding: var(--space-1) var(--space-3);
    background: var(--color-accent-muted);
    border-radius: 100px;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.showcase-title {
    font-size: var(--fs-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-3);
}

.showcase-desc {
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-5);
}

.showcase-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--fs-sm);
    font-weight: 600;
    transition: gap var(--duration-base) var(--ease-out);
}

.showcase-link:hover {
    gap: var(--space-3);
}

/* -----------------------------------------------------------------------------
   Approach Section
   ----------------------------------------------------------------------------- */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-8);
}

.approach-item {
    padding: var(--space-6);
}

.approach-number {
    font-size: var(--fs-xl);
    font-weight: 700;
    color: var(--color-text-quaternary);
    margin-bottom: var(--space-4);
}

.approach-title {
    font-size: var(--fs-lg);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-3);
}

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

/* -----------------------------------------------------------------------------
   Testimonials
   ----------------------------------------------------------------------------- */
.testimonials {
    background: var(--color-bg-subtle);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.testimonial-card {
    padding: var(--space-8);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all var(--duration-base) var(--ease-out);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-xl);
}

.testimonial-rating {
    color: var(--color-accent);
    font-size: var(--fs-base);
    margin-bottom: var(--space-4);
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: var(--fs-base);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent-muted);
}

.author-name {
    font-size: var(--fs-base);
    font-weight: 600;
    margin-bottom: var(--space-1);
}

.author-role {
    font-size: var(--fs-sm);
    color: var(--color-text-tertiary);
}

/* -----------------------------------------------------------------------------
   CTA Section
   ----------------------------------------------------------------------------- */
.cta {
    background: var(--color-bg-muted);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.cta-content {
    text-align: center;
    max-width: var(--content-max);
    margin: 0 auto;
}

.cta-title {
    font-size: var(--fs-3xl);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-5);
}

.cta-subtitle {
    font-size: var(--fs-md);
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--space-8);
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--fs-sm);
    color: var(--color-text-tertiary);
}

/* -----------------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------------- */
.footer {
    padding: var(--space-16) var(--space-6) var(--space-8);
    background: var(--color-bg);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--fs-lg);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}

.footer-tagline {
    font-size: var(--fs-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-4);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-muted);
    border-radius: 50%;
    color: var(--color-text);
    transition: all var(--duration-base) var(--ease-out);
}

.social-link:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-heading {
    font-size: var(--fs-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-list a {
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: var(--fs-sm);
    transition: color var(--duration-base) var(--ease-out);
}

.footer-list a:hover {
    color: var(--color-text);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    font-size: var(--fs-sm);
    color: var(--color-text-tertiary);
}

.footer-legal {
    display: flex;
    gap: var(--space-6);
}

.footer-legal a {
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: var(--fs-sm);
    transition: color var(--duration-base) var(--ease-out);
}

.footer-legal a:hover {
    color: var(--color-text);
}

/* -----------------------------------------------------------------------------
   Animations
   ----------------------------------------------------------------------------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* -----------------------------------------------------------------------------
   Responsive Design - Mobile First Approach
   ----------------------------------------------------------------------------- */

/* Tablet Landscape & Small Desktop (1024px - 1280px) */
@media (max-width: 1280px) {
    .hero {
        gap: var(--space-8);
        padding-left: var(--space-5);
        padding-right: var(--space-5);
    }
    
    .phone-mockup {
        width: 300px;
        height: 610px;
    }
}

/* Tablet Portrait & Large Phone Landscape (768px - 1024px) */
@media (max-width: 1024px) {
    :root {
        --nav-height: 70px;
    }
    
    .nav-wrapper {
        padding: 0 var(--space-5);
    }
    
    .hero {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: calc(var(--nav-height) + var(--space-10)) var(--space-5) var(--space-12);
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
    }
    
    .hero-badge {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-description {
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-stats {
        max-width: 600px;
        margin: 0 auto;
        gap: var(--space-8);
    }
    
    .stat {
        text-align: center;
    }
    
    .hero-visual {
        order: -1;
        margin-bottom: var(--space-8);
    }
    
    .phone-mockup {
        width: 260px;
        height: 530px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }
    
    .showcase-item {
        grid-template-columns: 1fr;
        gap: var(--space-8);
        text-align: center;
    }
    
    .showcase-item:nth-child(even) {
        direction: ltr;
    }
    
    .showcase-phone {
        width: 240px;
        height: 490px;
    }
    
    .approach-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-6);
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-5);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }
    
    .footer-brand {
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}

/* Phone Landscape & Small Tablet (640px - 768px) */
@media (max-width: 768px) {
    :root {
        --fs-5xl: 2.8rem;
        --fs-4xl: 2.2rem;
        --fs-3xl: 1.8rem;
        --fs-2xl: 1.6rem;
        --space-20: 5rem;
        --space-16: 4rem;
        --space-12: 3rem;
        --space-10: 2.5rem;
        --nav-height: 64px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-cta {
        display: none;
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .hero {
        padding-top: calc(var(--nav-height) + var(--space-8));
        padding-bottom: var(--space-10);
    }
    
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }
    
    .hero-actions {
        gap: var(--space-3);
    }
    
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-5);
    }
    
    .stat-value {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }
    
    .stat-label {
        font-size: var(--fs-xs);
    }
    
    .trusted-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-5);
    }
    
    .section {
        padding: var(--space-16) var(--space-5);
    }
    
    .section-title {
        font-size: var(--fs-3xl);
    }
    
    .section-subtitle {
        font-size: var(--fs-base);
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card {
        padding: var(--space-6);
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: var(--space-3);
    }
    
    .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .cta-features {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: var(--space-6);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
    
    .desktop-only {
        display: none;
    }
}

/* Phone Portrait (480px - 640px) */
@media (max-width: 640px) {
    :root {
        --space-6: 1.5rem;
        --space-8: 2rem;
    }
    
    .nav-wrapper {
        padding: 0 var(--space-4);
    }
    
    .logo {
        font-size: var(--fs-md);
    }
    
    .hero {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }
    
    .hero-title {
        font-size: clamp(1.8rem, 9vw, 2.5rem);
        margin-bottom: var(--space-5);
    }
    
    .hero-description {
        font-size: var(--fs-base);
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: var(--space-3);
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-5);
    }
    
    .trusted-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
    
    .trusted-item {
        font-size: var(--fs-sm);
    }
    
    .section {
        padding: var(--space-12) var(--space-4);
    }
    
    .section-header {
        margin-bottom: var(--space-8);
    }
    
    .showcase-phone {
        width: 200px;
        height: 410px;
    }
}

/* Small Phone (320px - 480px) */
@media (max-width: 480px) {
    :root {
        --fs-5xl: 2rem;
        --fs-4xl: 1.75rem;
        --fs-3xl: 1.5rem;
        --fs-2xl: 1.35rem;
        --fs-xl: 1.25rem;
    }
    
    .hero-title {
        font-size: clamp(1.6rem, 10vw, 2rem);
        line-height: 1.15;
    }
    
    .hero-badge {
        font-size: 9px;
        padding: 6px 12px;
    }
    
    .phone-mockup {
        width: 220px;
        height: 450px;
    }
    
    .service-card {
        padding: var(--space-5);
    }
    
    .service-icon {
        width: 40px;
        height: 40px;
    }
    
    .testimonial-card {
        padding: var(--space-6);
    }
    
    .approach-item {
        padding: var(--space-5);
    }
    
    .footer {
        padding: var(--space-10) var(--space-4) var(--space-6);
    }
}

/* Extra Touches for Touch Devices */
@media (hover: none) and (pointer: coarse) {
    /* Increase tap targets for mobile */
    .btn-primary,
    .btn-secondary {
        min-height: 48px;
    }
    
    .nav-item {
        padding: var(--space-2) 0;
    }
    
    .mobile-nav-item {
        padding: var(--space-3) 0;
    }
    
    /* Remove hover effects on touch devices */
    .service-card:hover,
    .testimonial-card:hover {
        transform: none;
    }
    
    /* Disable custom cursor on touch */
    .custom-cursor {
        display: none;
    }
}

/* High DPI Displays (Retina) */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
}

/* Landscape Phone Optimization */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        min-height: auto;
        padding-top: calc(var(--nav-height) + var(--space-6));
        padding-bottom: var(--space-8);
    }
    
    .hero-visual {
        display: none;
    }
    
    .scroll-hint {
        display: none;
    }
}

/* iPad Pro & Large Tablets */
@media (min-width: 1024px) and (max-width: 1366px) {
    .container {
        padding: 0 var(--space-8);
    }
    
    .hero {
        padding-left: var(--space-8);
        padding-right: var(--space-8);
    }
}