/* ============================================================
   ALPYNE — Swiss AI Engineering
   Design System & Styles
   ============================================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap');

/* ---------- CSS Custom Properties (Design Tokens) ---------- */
:root {
    /* Typography */
    --font-heading: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    /* Spacing scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Radii */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 100px;

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

    /* Header height */
    --header-height: 72px;

    /* Max content width */
    --max-width: 1200px;
    --max-width-narrow: 900px;

    /* Accent Colors (constant across themes) */
    --accent-red: #C33A2C;
    --accent-red-hover: #D94A3B;
    --accent-red-glow: rgba(195, 58, 44, 0.35);
    --accent-red-muted: rgba(195, 58, 44, 0.12);
}

/* ---------- Dark Theme (default) ---------- */
[data-theme="dark"] {
    --bg-primary: #071225;
    --bg-secondary: #0B1020;
    --bg-surface: #121827;
    --bg-surface-alt: #151B2E;
    --bg-surface-hover: #1A2038;
    --bg-overlay: rgba(7, 18, 37, 0.85);

    --text-primary: #F5F7FB;
    --text-secondary: #AAB2C5;
    --text-muted: #6B7490;
    --text-inverse: #071225;

    --border-color: rgba(170, 178, 197, 0.1);
    --border-color-hover: rgba(170, 178, 197, 0.2);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.5);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 30px rgba(195, 58, 44, 0.15);

    --input-bg: #0E1525;
    --input-border: rgba(170, 178, 197, 0.15);
    --input-focus-border: var(--accent-red);

    --hero-gradient: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(195, 58, 44, 0.06) 0%, transparent 70%);
    --section-alt-bg: #0B1020;
    --logo-text-color: #F5F7FB;
    --consulting-bg: #F7F8FB;
    --consulting-text: #111827;
    --consulting-text-secondary: #4B5563;
    --consulting-card-bg: #FFFFFF;
    --consulting-card-border: rgba(0, 0, 0, 0.06);
    --consulting-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --consulting-icon-bg: rgba(195, 58, 44, 0.08);
}

/* ---------- Light Theme ---------- */
[data-theme="light"] {
    --bg-primary: #F7F8FB;
    --bg-secondary: #FFFFFF;
    --bg-surface: #FFFFFF;
    --bg-surface-alt: #F1F3F8;
    --bg-surface-hover: #E8EBF2;
    --bg-overlay: rgba(247, 248, 251, 0.9);

    --text-primary: #111827;
    --text-secondary: #4B5563;
    --text-muted: #9CA3AF;
    --text-inverse: #F5F7FB;

    --border-color: rgba(0, 0, 0, 0.08);
    --border-color-hover: rgba(0, 0, 0, 0.15);

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
    --shadow-glow: 0 0 30px rgba(195, 58, 44, 0.1);

    --input-bg: #FFFFFF;
    --input-border: rgba(0, 0, 0, 0.12);
    --input-focus-border: var(--accent-red);

    --hero-gradient: radial-gradient(ellipse 80% 60% at 50% 30%, rgba(195, 58, 44, 0.04) 0%, transparent 70%);
    --section-alt-bg: #FFFFFF;
    --logo-text-color: #1B2340;
    --consulting-bg: #F7F8FB;
    --consulting-text: #111827;
    --consulting-text-secondary: #4B5563;
    --consulting-card-bg: #FFFFFF;
    --consulting-card-border: rgba(0, 0, 0, 0.06);
    --consulting-card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --consulting-icon-bg: rgba(195, 58, 44, 0.08);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

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

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

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

ul,
ol {
    list-style: none;
}

/* ---------- Focus States (Accessibility) ---------- */
:focus-visible {
    outline: 2px solid var(--accent-red);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

/* ---------- Typography ---------- */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    line-height: 1.15;
    letter-spacing: -0.02em;
    font-weight: 700;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent-red);
    margin-bottom: var(--space-md);
}

.section-eyebrow::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: 2px solid var(--accent-red);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    color: var(--text-secondary);
    max-width: 640px;
    line-height: 1.7;
}

.accent {
    color: var(--accent-red);
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--header-height);
    background: var(--bg-overlay);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-base), border-color var(--transition-base);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-svg {
    height: 42px;
    width: auto;
    display: block;
    transition: opacity var(--transition-fast);
}

.logo-img {
    height: 42px;
    width: auto;
    display: block;
    transition: opacity var(--transition-fast);
}

.logo:hover .logo-svg,
.logo:hover .logo-img {
    opacity: 0.85;
}

/* Desktop Nav */
.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-link {
    position: relative;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--space-sm) 0;
    transition: color var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-red);
    transition: width var(--transition-base);
    border-radius: 1px;
}

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

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

/* CTA Button */
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.6rem 1.4rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--accent-red);
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    white-space: nowrap;
    border: 1px solid transparent;
}

.btn-cta:hover {
    background: var(--accent-red-hover);
    box-shadow: 0 0 20px var(--accent-red-glow);
    transform: translateY(-1px);
}

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

/* Language Switch */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.lang-switch svg {
    width: 16px;
    height: 16px;
    opacity: 0.6;
}

.lang-btn {
    padding: 3px 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.lang-btn.active {
    color: var(--text-primary);
    background: var(--accent-red-muted);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.theme-toggle:hover {
    color: var(--text-primary);
    background: var(--accent-red-muted);
}

.theme-toggle svg {
    width: 18px;
    height: 18px;
}

.theme-toggle .icon-moon,
.theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border-radius: var(--radius-md);
    background: transparent;
    cursor: pointer;
    z-index: 1010;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
    background: var(--bg-primary);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--hero-gradient);
    pointer-events: none;
}

/* Abstract background pattern */
.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.3;
    mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black, transparent);
    -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 40%, black, transparent);
}

.hero-bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(195, 58, 44, 0.08) 0%, transparent 70%);
    top: 10%;
    left: 50%;
    transform: translateX(-50%);
    filter: blur(80px);
}

.hero-bg-logo {
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 840px;
    height: auto;
    opacity: 0.26;
    pointer-events: none;
    user-select: none;
    z-index: 3;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-xl);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-lg);
    line-height: 1.1;
}

.hero-subtitle {
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    justify-content: center;
    align-items: center;
    margin-bottom: var(--space-2xl);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--accent-red);
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--accent-red-hover);
    box-shadow: 0 0 30px var(--accent-red-glow);
    transform: translateY(-2px);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.9rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: var(--text-secondary);
    background: var(--bg-surface);
}

.trust-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    background: var(--bg-surface);
    border-radius: var(--radius-pill);
    border: 1px solid var(--border-color);
}

.trust-badge svg {
    width: 16px;
    height: 16px;
    color: var(--accent-red);
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services {
    padding: var(--space-5xl) 0;
    background: var(--bg-primary);
    position: relative;
}

.services-header {
    margin-bottom: var(--space-3xl);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-5xl);
}

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

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-red), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

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

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

.service-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--accent-red);
    color: #FFFFFF;
    margin-bottom: var(--space-lg);
    font-size: 1.2rem;
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Integrations */
.integrations {
    text-align: center;
    padding-top: var(--space-3xl);
    border-top: 1px solid var(--border-color);
}

.integrations h3 {
    font-size: clamp(1.5rem, 2.5vw, 2rem);
    margin-bottom: var(--space-sm);
}

.integrations p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.integrations-track-wrapper {
    overflow: hidden;
    width: 100%;
    position: relative;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.integrations-track {
    display: flex;
    gap: var(--space-2xl);
    animation: scrollLogos 30s linear infinite;
    width: max-content;
}

@keyframes scrollLogos {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

@media (prefers-reduced-motion: reduce) {
    .integrations-track {
        animation: none;
        flex-wrap: wrap;
        justify-content: center;
        width: 100%;
    }
}

.integration-chip {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.6rem 1.2rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-pill);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.integration-chip:hover {
    border-color: var(--accent-red);
    color: var(--text-primary);
}

.integration-chip svg,
.integration-chip img {
    width: 20px;
    height: 20px;
}

/* Brand colors for integration icons */
.integration-chip[data-brand="apple"] svg {
    fill: #555555;
}

.integration-chip[data-brand="aws"] svg {
    fill: #FF9900;
}

.integration-chip[data-brand="airbnb"] svg {
    fill: #FF5A5F;
}

.integration-chip[data-brand="discord"] svg {
    fill: #5865F2;
}

.integration-chip[data-brand="atlassian"] svg {
    fill: #0052CC;
}

.integration-chip[data-brand="zoom"] svg {
    fill: #2D8CFF;
}

.integration-chip[data-brand="x"] svg {
    fill: #000000;
}

[data-theme="dark"] .integration-chip[data-brand="x"] svg {
    fill: #FFFFFF;
}

.integration-chip[data-brand="wordpress"] svg {
    fill: #21759B;
}

.integration-chip[data-brand="whatsapp"] svg {
    fill: #25D366;
}

.integration-chip[data-brand="stripe"] svg {
    fill: #635BFF;
}

.integration-chip[data-brand="infomaniak"] svg {
    fill: #0098FF;
}

.integration-chip[data-brand="instagram"] svg {
    fill: #E4405F;
}

.integration-chip[data-brand="telegram"] svg {
    fill: #26A5E4;
}

/* ============================================================
   SECURITY SECTION
   ============================================================ */
.security {
    padding: var(--space-5xl) 0;
    background: var(--bg-primary);
}

.security-panel {
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    overflow: hidden;
    min-height: 480px;
}

.security-content {
    padding: var(--space-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.security-content h2 {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    margin-bottom: var(--space-lg);
}

.security-content>p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    max-width: 440px;
}

.security-checklist {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.security-checklist li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

.check-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    min-width: 22px;
    border-radius: 50%;
    background: var(--accent-red-muted);
    color: var(--accent-red);
    margin-top: 2px;
}

.check-icon svg {
    width: 12px;
    height: 12px;
}

.security-visual {
    position: relative;
    overflow: hidden;
}

.security-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.security-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--bg-surface) 0%, transparent 40%);
    pointer-events: none;
}

/* ============================================================
   PROCESS SECTION
   ============================================================ */
.process {
    padding: var(--space-5xl) 0;
    background: var(--section-alt-bg);
}

.process-header {
    text-align: center;
    margin-bottom: var(--space-4xl);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    position: relative;
}

/* Connector line */
.process-timeline::before {
    content: '';
    position: absolute;
    top: 36px;
    left: calc(16.66% + 36px);
    right: calc(16.66% + 36px);
    height: 2px;
    background: linear-gradient(90deg, var(--accent-red), var(--accent-red));
    opacity: 0.3;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: 2px solid var(--accent-red);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-red);
    margin: 0 auto var(--space-lg);
    position: relative;
    background: var(--section-alt-bg);
    box-shadow: 0 0 25px var(--accent-red-glow);
    transition: all var(--transition-base);
}

.process-step:hover .step-number {
    background: var(--accent-red);
    color: #FFFFFF;
    box-shadow: 0 0 40px var(--accent-red-glow);
}

.process-step h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
}

.process-step p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 280px;
    margin: 0 auto;
}

.process-timeline-note {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--space-2xl);
    font-style: italic;
}

/* ============================================================
   CONSULTING SECTION
   ============================================================ */
.consulting {
    padding: var(--space-5xl) 0;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.consulting-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.consulting-header .section-title {
    color: var(--text-primary);
}

.consulting-header .section-subtitle {
    color: var(--text-secondary);
    margin: 0 auto;
}

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

.consulting-card {
    padding: var(--space-2xl);
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
}

.consulting-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.consulting-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: var(--accent-red);
    color: #FFFFFF;
    margin-bottom: var(--space-lg);
    font-size: 1.2rem;
}

.consulting-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.consulting-card .card-tagline {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    font-style: italic;
}

.consulting-card p:last-child {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================================
   CONTACT SECTION
   ============================================================ */
.contact {
    padding: var(--space-5xl) 0;
    background: var(--bg-primary);
}

.contact-grid {
    display: flex;
    justify-content: center;
}

.contact-info {
    text-align: center;
    max-width: 600px;
}

.contact-info h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-lg);
}

.contact-info>p {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-2xl);
}

.contact-details {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.contact-detail-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 50%;
    background: var(--accent-red-muted);
    color: var(--accent-red);
}

.contact-detail-icon svg {
    width: 18px;
    height: 18px;
}

.contact-detail a {
    transition: color var(--transition-fast);
}

.contact-detail a:hover {
    color: var(--accent-red);
}

.why-alpyne {
    padding: var(--space-xl);
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    text-align: left;
}

.why-alpyne h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.why-alpyne li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.why-alpyne li::before {
    content: '✓';
    color: var(--accent-red);
    font-weight: 700;
    margin-top: 1px;
}

/* Contact Form */
.contact-form-wrapper {
    padding: var(--space-2xl);
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-primary);
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-red);
    box-shadow: 0 0 0 3px var(--accent-red-muted);
}

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

.form-group .error-message {
    display: none;
    font-size: 0.8rem;
    color: var(--accent-red);
    margin-top: 4px;
}

.form-group.has-error input,
.form-group.has-error textarea {
    border-color: var(--accent-red);
}

.form-group.has-error .error-message {
    display: block;
}

.form-submit {
    width: 100%;
    padding: 0.9rem;
    font-size: 1rem;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--accent-red);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    margin-bottom: var(--space-md);
}

.form-submit:hover {
    background: var(--accent-red-hover);
    box-shadow: 0 0 25px var(--accent-red-glow);
}

.form-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.form-privacy {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.form-privacy svg {
    width: 14px;
    height: 14px;
}

.form-success {
    display: none;
    text-align: center;
    padding: var(--space-2xl);
}

.form-success.show {
    display: block;
}

.form-success .success-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--accent-red-muted);
    color: var(--accent-red);
    margin: 0 auto var(--space-lg);
}

.form-success h3 {
    font-size: 1.3rem;
    margin-bottom: var(--space-sm);
}

.form-success p {
    color: var(--text-secondary);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    padding: var(--space-xl) 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-copy {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

.footer-logo-svg {
    height: 22px;
    width: auto;
    display: block;
}

.footer-logo-img {
    height: 22px;
    width: auto;
    display: block;
}



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

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--text-muted);
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--text-primary);
    background: var(--accent-red-muted);
}

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

/* ============================================================
   SCROLL REVEAL ANIMATION
   ============================================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Stagger delay for cards */
.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

/* ============================================================
   MOBILE NAV OVERLAY
   ============================================================ */
.mobile-nav {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--bg-primary);
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    flex-direction: column;
    gap: var(--space-xs);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.mobile-nav.open {
    opacity: 1;
    pointer-events: auto;
}

.mobile-nav a {
    display: block;
    font-size: 1.3rem;
    font-weight: 600;
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--border-color);
    transition: color var(--transition-fast);
}

.mobile-nav a:hover {
    color: var(--accent-red);
}

.mobile-nav .btn-primary {
    margin-top: var(--space-lg);
    text-align: center;
    justify-content: center;
}

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

/* Tablet and below */
@media (max-width: 1024px) {

    .services-grid,
    .consulting-grid,
    .process-timeline {
        grid-template-columns: 1fr 1fr;
    }

    .process-timeline::before {
        display: none;
    }

    .service-card:last-child,
    .consulting-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        justify-self: center;
    }

    .process-step:last-child {
        grid-column: 1 / -1;
        justify-self: center;
    }

    .security-panel {
        grid-template-columns: 1fr;
    }

    .security-visual {
        height: 300px;
        order: -1;
    }

    .security-visual::after {
        background: linear-gradient(0deg, var(--bg-surface) 0%, transparent 40%);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }

    .main-nav,
    .header-actions .btn-cta {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-nav {
        display: flex;
    }

    .hero-content {
        padding: var(--space-3xl) var(--space-md);
    }

    .hero h1 {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .services-grid,
    .consulting-grid,
    .process-timeline {
        grid-template-columns: 1fr;
    }

    .service-card:last-child,
    .consulting-card:last-child,
    .process-step:last-child {
        grid-column: auto;
        max-width: none;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .hero-cta-group {
        flex-direction: column;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

    .section-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
    }
}

/* Large desktop */
@media (min-width: 1400px) {
    .container {
        max-width: 1300px;
    }
}