/* ============================================
   EnfTech - Design System (CSS Custom Properties)
   Fácil de modificar: basta alterar as variáveis.
   ============================================ */

:root {
    /* — Cores de fundo — */
    --bg-body: #06070a;
    --bg-surface: #0d1117;
    --bg-card: rgba(255, 255, 255, 0.03);
    --bg-card-hover: rgba(255, 255, 255, 0.06);
    --bg-card-border: rgba(255, 255, 255, 0.06);
    --bg-card-border-hover: rgba(0, 123, 255, 0.3);

    /* — Cores da marca — */
    --brand-blue: #007BFF;
    --brand-blue-light: #3399ff;
    --brand-alexa: #00A8E8;
    --brand-accent: #4CAF50;
    --brand-accent-light: #66bb6a;

    /* — Texto — */
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;

    /* — Bordas & superfícies — */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.1);

    /* — Gradientes — */
    --gradient-hero: linear-gradient(160deg, #06070a 0%, #0a1628 50%, #06070a 100%);
    --gradient-brand: linear-gradient(135deg, var(--brand-alexa), var(--brand-accent));
    --gradient-blue: linear-gradient(135deg, var(--brand-blue), var(--brand-alexa));
    --gradient-glow-blue: radial-gradient(circle, rgba(0, 123, 255, 0.12), transparent 70%);
    --gradient-glow-accent: radial-gradient(circle, rgba(0, 168, 232, 0.08), transparent 70%);

    /* — Tipografia — */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

    /* — Espaçamento — */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* — Raios de borda — */
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-full: 9999px;

    /* — Sombras — */
    --shadow-glow-blue: 0 0 60px rgba(0, 123, 255, 0.15);
    --shadow-glow-accent: 0 0 40px rgba(76, 175, 80, 0.1);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-card-hover: 0 8px 40px rgba(0, 123, 255, 0.12);

    /* — Transições — */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-reveal: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}


/* ============================================
   Reset & Base
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

::selection {
    background: var(--brand-blue);
    color: white;
}

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

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

ul {
    list-style: none;
}


/* ============================================
   Utilities
   ============================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

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

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}


/* ============================================
   Scroll Reveal Animations
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Staggered delays for children */
.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 120ms; }
.stagger > *:nth-child(3) { transition-delay: 240ms; }
.stagger > *:nth-child(4) { transition-delay: 360ms; }
.stagger > *:nth-child(5) { transition-delay: 480ms; }


/* ============================================
   Glow Orbs (Background Effects)
   ============================================ */

.glow-orb {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: 0;
}

.glow-orb--blue {
    width: 600px;
    height: 600px;
    background: var(--gradient-glow-blue);
    filter: blur(80px);
}

.glow-orb--accent {
    width: 500px;
    height: 500px;
    background: var(--gradient-glow-accent);
    filter: blur(80px);
}

.glow-orb--small {
    width: 300px;
    height: 300px;
    filter: blur(60px);
}


/* ============================================
   Navbar
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: var(--space-4) 0;
    transition: background var(--transition-base), padding var(--transition-base),
                backdrop-filter var(--transition-base), border-color var(--transition-base);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(6, 7, 10, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-3) 0;
    border-bottom-color: var(--border-subtle);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.navbar__logo-icon {
    width: 36px;
    height: 36px;
    color: var(--brand-blue);
    filter: drop-shadow(0 0 8px rgba(0, 123, 255, 0.4));
}

.navbar__logo span {
    color: var(--brand-blue);
}

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

.navbar__link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.navbar__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-brand);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

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

.navbar__link:hover::after {
    width: 100%;
}

.navbar__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-6);
    background: var(--brand-blue);
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: background var(--transition-fast), transform var(--transition-fast),
                box-shadow var(--transition-fast);
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.2);
}

.navbar__cta:hover {
    background: var(--brand-blue-light);
    transform: translateY(-1px);
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.35);
}

/* Mobile hamburger */
.navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: var(--space-2);
    background: none;
    border: none;
    z-index: 110;
}

.navbar__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

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

.navbar__hamburger.open span:nth-child(2) {
    opacity: 0;
}

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

/* Mobile menu overlay */
.navbar__mobile-menu {
    position: fixed;
    inset: 0;
    background: rgba(6, 7, 10, 0.97);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    z-index: 99;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.navbar__mobile-menu.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.navbar__mobile-menu a {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.navbar__mobile-menu a:hover {
    color: var(--text-primary);
}


/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-24) 0 var(--space-16);
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero__bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(rgba(0, 168, 232, 0.04) 1px, transparent 1px);
    background-size: 32px 32px;
    z-index: 0;
}

.hero__orb-1 {
    top: -200px;
    right: -200px;
}

.hero__orb-2 {
    bottom: -100px;
    left: -200px;
}

.hero__content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(0, 168, 232, 0.08);
    border: 1px solid rgba(0, 168, 232, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brand-alexa);
    margin-bottom: var(--space-8);
}

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

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-6);
}

.hero__description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto var(--space-10);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-8);
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: var(--font-sans);
    border-radius: var(--radius-full);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn--primary {
    background: var(--brand-blue);
    color: white;
    box-shadow: 0 0 30px rgba(0, 123, 255, 0.25), 0 4px 12px rgba(0, 0, 0, 0.3);
}

.btn--primary:hover {
    background: var(--brand-blue-light);
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(0, 123, 255, 0.4), 0 8px 24px rgba(0, 0, 0, 0.3);
}

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

.btn--ghost:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.04);
    transform: translateY(-2px);
}

.btn__icon {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn:hover .btn__icon {
    transform: translateX(3px);
}

.btn--primary:hover .btn__icon--down {
    transform: translateY(3px) translateX(0);
}

/* Hero floating line */
.hero__scroll-indicator {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-muted);
    font-size: var(--font-size-xs);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float-down 2s ease-in-out infinite;
    z-index: 1;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--brand-blue), transparent);
}

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


/* ============================================
   Section Divider
   ============================================ */

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-subtle) 20%, var(--border-medium) 50%, var(--border-subtle) 80%, transparent);
}


/* ============================================
   Solutions Section
   ============================================ */

.solutions {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--bg-body);
    overflow: hidden;
}

.solutions__header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.solutions__tag {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--brand-alexa);
    margin-bottom: var(--space-4);
}

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

/* Glass Card */
.glass-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-8);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.glass-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--bg-card-border-hover);
    transform: translateY(-8px);
    box-shadow: var(--shadow-card-hover);
}

.glass-card__badge {
    position: absolute;
    top: 0;
    right: 0;
    padding: var(--space-1) var(--space-3);
    background: var(--brand-accent);
    color: white;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 0 var(--radius-2xl) 0 var(--radius-lg);
}

.glass-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
    background: rgba(0, 123, 255, 0.08);
    border: 1px solid rgba(0, 123, 255, 0.12);
    transition: all var(--transition-base);
}

.glass-card:hover .glass-card__icon {
    background: var(--brand-blue);
    border-color: var(--brand-blue);
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.3);
}

.glass-card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--brand-blue);
    transition: color var(--transition-base);
}

.glass-card:hover .glass-card__icon svg {
    color: white;
}

.glass-card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.glass-card__text {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.7;
}


/* ============================================
   Expertise Section
   ============================================ */

.expertise {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--bg-surface);
    overflow: hidden;
}

.expertise__card {
    display: flex;
    border-radius: 2rem;
    overflow: hidden;
    background: var(--bg-card);
    border: 1px solid var(--bg-card-border);
    backdrop-filter: blur(8px);
}

.expertise__content {
    flex: 1;
    padding: var(--space-12) var(--space-10);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.expertise__tag {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.expertise__tag-line {
    width: 40px;
    height: 3px;
    background: var(--gradient-brand);
    border-radius: var(--radius-full);
}

.expertise__tag-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--brand-alexa);
}

.expertise__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-6);
}

.expertise__title span {
    color: var(--brand-accent);
}

.expertise__text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-4);
}

.expertise__text strong {
    color: var(--text-primary);
    font-weight: 600;
}

.expertise__visual {
    flex: 1;
    position: relative;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0,123,255,0.05) 0%, rgba(0,168,232,0.03) 100%);
    overflow: hidden;
}

.expertise__visual-bg {
    position: absolute;
    inset: 0;
    opacity: 0.15;
    /* CSS grid pattern */
    background-image:
        linear-gradient(rgba(76, 175, 80, 0.2) 1px, transparent 1px),
        linear-gradient(90deg, rgba(76, 175, 80, 0.2) 1px, transparent 1px);
    background-size: 40px 40px;
}

.expertise__visual-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.expertise__visual-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-6);
    color: var(--brand-alexa);
    filter: drop-shadow(0 0 24px rgba(0, 168, 232, 0.4));
}

.expertise__visual-label {
    font-size: var(--font-size-xl);
    font-weight: 300;
    color: var(--text-primary);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-2);
}

.expertise__visual-accent {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--brand-accent);
}

/* Stats */
.expertise__stats {
    display: flex;
    gap: var(--space-8);
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-subtle);
}

.expertise__stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-1);
}

.expertise__stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}


/* ============================================
   Process Section
   ============================================ */

.process {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--bg-body);
    overflow: hidden;
}

.process__header {
    text-align: center;
    margin-bottom: var(--space-16);
}

.process__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    position: relative;
}

/* Connecting line between steps */
.process__grid::before {
    content: '';
    position: absolute;
    top: 44px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-blue), var(--brand-alexa), var(--brand-accent), var(--brand-accent));
    opacity: 0.2;
    z-index: 0;
}

.process__step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.process__step-number {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--brand-blue);
    background: rgba(0, 123, 255, 0.08);
    border: 2px solid rgba(0, 123, 255, 0.2);
    border-radius: 50%;
    transition: all var(--transition-base);
}

.process__step:hover .process__step-number {
    background: var(--brand-blue);
    color: white;
    border-color: var(--brand-blue);
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.3);
    transform: scale(1.1);
}

.process__step-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.process__step-text {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ============================================
   Contact Section
   ============================================ */

.contact {
    position: relative;
    padding: var(--space-24) 0;
    background: var(--bg-surface);
    overflow: hidden;
}

.contact__header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.contact__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
    max-width: 900px;
    margin: 0 auto var(--space-16);
}

.contact__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-2xl);
    font-weight: 700;
    font-size: var(--font-size-sm);
    color: white;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.contact__btn:hover {
    transform: translateY(-4px);
}

.contact__btn--whatsapp {
    background: #25D366;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.2);
}

.contact__btn--whatsapp:hover {
    background: #1ebd5a;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.3);
}

.contact__btn--email {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-medium);
}

.contact__btn--email:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.contact__btn-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

/* Social links */
.contact__social {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    padding-top: var(--space-10);
    border-top: 1px solid var(--border-subtle);
}

.contact__social-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--text-muted);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.contact__social-link svg {
    width: 22px;
    height: 22px;
}

.contact__social-link--instagram:hover {
    color: #e1306c;
}

.contact__social-link--facebook:hover {
    color: #1877f2;
}


/* ============================================
   Footer
   ============================================ */

.footer {
    padding: var(--space-8) 0;
    background: var(--bg-body);
    border-top: 1px solid var(--border-subtle);
    text-align: center;
}

.footer__text {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    letter-spacing: 0.02em;
}


/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .solutions__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-8);
    }

    .process__grid::before {
        display: none;
    }

    .expertise__card {
        flex-direction: column;
    }

    .expertise__visual {
        min-height: 300px;
    }

    .expertise__content {
        padding: var(--space-10) var(--space-8);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }

    .container {
        padding: 0 var(--space-4);
    }

    .navbar__links,
    .navbar__cta-desktop {
        display: none;
    }

    .navbar__hamburger {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 10rem 0 var(--space-16);
    }

    .hero__title {
        font-size: var(--font-size-4xl);
    }

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

    .hero__scroll-indicator {
        display: none;
    }

    .solutions,
    .expertise,
    .process,
    .contact {
        padding: var(--space-16) 0;
    }

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

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

    .process__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .expertise__stats {
        flex-direction: column;
        gap: var(--space-4);
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 320px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 8rem 0 var(--space-12);
    }

    .hero__badge {
        font-size: 10px;
    }

    .glass-card {
        padding: var(--space-6);
    }
}