/* ============================================
   SPECTRA LANDING PAGE
   "Palantir meets Apple" - Technical Precision
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    /* Colors */
    --color-black: #0a0a0a;
    --color-white: #ffffff;
    --color-gray-50: #fafafa;
    --color-gray-100: #f5f5f5;
    --color-gray-200: #e5e5e5;
    --color-gray-300: #d4d4d4;
    --color-gray-400: #a3a3a3;
    --color-gray-500: #737373;
    --color-gray-600: #525252;
    --color-gray-700: #404040;
    --color-gray-800: #262626;
    --color-gray-900: #171717;

    /* Accent - Subtle warm tone for banner */
    --color-accent: #f59e0b;
    --color-accent-light: #fef3c7;

    /* Typography */
    --font-primary: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    /* Spacing */
    --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;

    /* Layout */
    --max-width: 1280px;
    --nav-height: 72px;
    --banner-height: 44px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);
}

/* ---------- 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-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-black);
    background-color: var(--color-white);
    overflow-x: hidden;
}

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

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

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

/* ---------- Breaking News Banner ---------- */
.news-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--banner-height);
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-black) 100%);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-lg);
    z-index: 1000;
    transform: translateY(0);
    transition: transform var(--transition-base);
}

.news-banner.hidden {
    transform: translateY(-100%);
}

.news-banner-content {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    font-size: 0.875rem;
}

.news-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    background: var(--color-accent);
    color: var(--color-black);
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 2px;
}

.news-text {
    color: var(--color-gray-300);
}

.news-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--color-white);
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.news-link:hover {
    opacity: 0.8;
}

.news-link svg {
    transition: transform var(--transition-fast);
}

.news-link:hover svg {
    transform: translateX(2px);
}

.news-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: var(--color-gray-400);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.news-close:hover {
    color: var(--color-white);
    background: rgba(255,255,255,0.1);
}

/* ---------- Navigation ---------- */
.nav {
    position: fixed;
    top: var(--banner-height);
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 900;
    transition: top var(--transition-base);
}

.nav.banner-hidden {
    top: 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    cursor: pointer;
    user-select: none;
}

.logo-mark {
    display: flex;
    gap: 2px;
    transform: skewX(-12deg);
}

.logo-bar {
    width: 6px;
    height: 24px;
    background: var(--color-black);
    border-radius: 1px;
}

.logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.04em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link-mark {
    position: relative;
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* The two bars for // */
.nav-link-mark::before,
.nav-link-mark::after {
    content: '';
    position: absolute;
    width: 3px;
    height: 10px;
    background: var(--color-gray-400);
    border-radius: 1px;
    transform: skewX(-12deg);
    transition: all var(--transition-base);
}

.nav-link-mark::before {
    left: 2px;
}

.nav-link-mark::after {
    left: 7px;
}

/* Hover: morph into + */
.nav-link:hover .nav-link-mark::before {
    transform: skewX(0deg) rotate(90deg) translateX(0);
    left: 5px;
    width: 3px;
    height: 10px;
    background: var(--color-black);
}

.nav-link:hover .nav-link-mark::after {
    transform: skewX(0deg) rotate(0deg);
    left: 5px;
    width: 3px;
    height: 10px;
    background: var(--color-black);
}

.nav-link:hover {
    color: var(--color-black);
}

/* Language Switcher */
.lang-switcher {
    position: relative;
    margin-left: var(--space-lg);
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.75rem;
    background: transparent;
    border: 1px solid var(--color-gray-200);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.lang-current:hover {
    border-color: var(--color-gray-300);
    background: var(--color-gray-50);
}

.lang-flag {
    font-size: 1rem;
    line-height: 1;
}

.lang-code {
    font-weight: 600;
    letter-spacing: 0.02em;
}

.lang-arrow {
    transition: transform var(--transition-fast);
}

.lang-switcher.active .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 140px;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
    z-index: 1000;
    overflow: hidden;
}

.lang-switcher.active .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.lang-option:hover {
    background: var(--color-gray-50);
}

.lang-option.active {
    background: var(--color-gray-100);
    font-weight: 500;
    color: var(--color-black);
}

.lang-name {
    flex: 1;
}

/* Mobile Language Switcher */
.mobile-lang-switcher {
    display: flex;
    gap: 0.5rem;
    padding-top: var(--space-lg);
    margin-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.mobile-lang-option {
    flex: 1;
    padding: 0.625rem;
    background: transparent;
    border: 1px solid var(--color-gray-200);
    border-radius: 6px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray-600);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.mobile-lang-option:hover {
    border-color: var(--color-gray-300);
    background: var(--color-gray-50);
}

.mobile-lang-option.active {
    border-color: var(--color-black);
    background: var(--color-black);
    color: var(--color-white);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.625rem 1.25rem;
    background: var(--color-black);
    color: var(--color-white) !important;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

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

.nav-cta:hover {
    background: var(--color-gray-800);
    transform: translateY(-1px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    padding: 6px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-black);
    border-radius: 1px;
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:first-child {
    transform: translateY(3.5px) rotate(45deg);
}

.mobile-menu-btn.active span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: calc(var(--banner-height) + var(--nav-height));
    left: 0;
    right: 0;
    background: var(--color-white);
    padding: var(--space-lg) var(--space-xl);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 850;
    flex-direction: column;
    gap: var(--space-md);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all var(--transition-base);
}

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

.mobile-menu.banner-hidden {
    top: var(--nav-height);
}

.mobile-menu-link {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-gray-700);
    padding: var(--space-sm) 0;
}

.mobile-menu-cta {
    color: var(--color-black);
    font-weight: 600;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    padding-top: calc(var(--banner-height) + var(--nav-height));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-black) 100%);
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.hero-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-4xl) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex: 1;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 640px;
    color: var(--color-white);
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-400);
    line-height: 1.7;
    max-width: 480px;
    margin-bottom: var(--space-xl);
}

.hero-cta {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.75rem;
    background: var(--color-white);
    color: var(--color-black);
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.hero-cta:hover {
    background: var(--color-gray-100);
    transform: translateY(-1px);
}

/* Hero Stats */
.hero-stats {
    background: var(--color-gray-50);
    border-top: 1px solid var(--color-gray-200);
    margin-top: auto;
    position: relative;
    z-index: 1;
}

.stats-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-xl);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    line-height: 1;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--color-gray-300);
}

.stat-partner {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.stat-partner-label {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-partner-logo {
    height: 24px;
    width: auto;
}

/* ---------- Section Tag (Reusable) ---------- */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-gray-600);
    margin-bottom: var(--space-lg);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.section-tag-mark {
    position: relative;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section-tag-mark::before,
.section-tag-mark::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 14px;
    background: var(--color-black);
    border-radius: 1px;
    transform: skewX(-12deg);
    transition: all var(--transition-base);
}

.section-tag-mark::before {
    left: 2px;
}

.section-tag-mark::after {
    left: 8px;
}

/* Hover on section-tag triggers the animation */
.section-tag:hover .section-tag-mark::before {
    transform: skewX(0deg) rotate(90deg);
    left: 6px;
}

.section-tag:hover .section-tag-mark::after {
    transform: skewX(0deg) rotate(0deg);
    left: 6px;
}

/* ---------- Challenge Section ---------- */
.challenge {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.challenge-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

.challenge-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.challenge-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
}

.challenge-problem,
.challenge-solution {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-gray-700);
}

.challenge-solution {
    border-left: 2px solid var(--color-black);
    padding-left: var(--space-xl);
}

/* ---------- Technology Section ---------- */
.technology {
    padding: var(--space-5xl) 0;
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-black) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.technology::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

.technology-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    position: relative;
    z-index: 1;
}

.technology-header {
    margin-bottom: var(--space-4xl);
    max-width: 720px;
}

.technology .section-tag {
    color: var(--color-gray-400);
}

.technology .section-tag-mark::before,
.technology .section-tag-mark::after {
    background: var(--color-white);
}


.technology-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xl);
    color: var(--color-white);
}

.technology-flagship {
    font-size: 1.25rem;
    color: var(--color-gray-400);
    line-height: 1.6;
}

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

.pillar {
    background: rgba(255,255,255,0.03);
    padding: var(--space-2xl);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 8px;
    transition: all var(--transition-base);
}

.pillar:hover {
    border-color: rgba(255,255,255,0.2);
    background: rgba(255,255,255,0.06);
    transform: translateY(-2px);
}

.pillar-number {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-gray-500);
    margin-bottom: var(--space-lg);
}

.pillar-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    line-height: 1.3;
    color: var(--color-white);
}

.pillar-description {
    font-size: 0.9375rem;
    color: var(--color-gray-400);
    line-height: 1.7;
}

/* ---------- Team Section ---------- */
.team {
    padding: var(--space-5xl) 0;
    background: var(--color-white);
}

.team-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

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

.team-credibility {
    font-size: 1.5rem;
    color: var(--color-gray-700);
    max-width: 600px;
    line-height: 1.5;
}

.team-credibility strong {
    color: var(--color-black);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-lg);
}

.team-member {
    text-align: center;
}

.member-photo {
    margin-bottom: var(--space-md);
    overflow: hidden;
    border-radius: 4px;
}

.photo-placeholder {
    aspect-ratio: 1;
    background: var(--color-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-gray-400);
    filter: grayscale(100%);
    transition: filter var(--transition-base);
}

.team-member:hover .photo-placeholder {
    filter: grayscale(0%);
    background: linear-gradient(135deg, var(--color-gray-200) 0%, var(--color-gray-100) 100%);
}

.member-info {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.member-name {
    font-size: 1rem;
    font-weight: 600;
}

.member-role {
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

/* ---------- Mission & Partnership Section ---------- */
.mission-partnership {
    padding: var(--space-5xl) 0;
    background: var(--color-gray-50);
}

.mission-partnership-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
}

.mission-column,
.partnership-column {
    display: flex;
    flex-direction: column;
}

.mission-title,
.partnership-title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.015em;
    margin-bottom: var(--space-xl);
}

.mission-content p,
.partnership-content p {
    font-size: 1.0625rem;
    color: var(--color-gray-700);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.mission-content p:last-child,
.partnership-content p:last-child {
    margin-bottom: 0;
}

.mission-belief {
    font-style: italic;
    border-left: 2px solid var(--color-black);
    padding-left: var(--space-lg);
    color: var(--color-gray-800) !important;
}

.partnership-logo {
    display: flex;
    justify-content: flex-start;
    margin-bottom: var(--space-xl);
}

.gddkia-logo-img {
    height: 40px;
    width: auto;
}

.partnership-proof {
    font-weight: 500;
    color: var(--color-black) !important;
}

/* ---------- Contact Section ---------- */
.contact {
    padding: var(--space-5xl) 0;
    background: var(--color-gray-50);
}

.contact-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--space-4xl);
}

.contact-form-column {
    max-width: 640px;
}

.contact-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.contact-subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--space-2xl);
}

/* Contact Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-700);
}

.form-group input,
.form-group textarea {
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-black);
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(0,0,0,0.05);
}

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

.form-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-white);
    background: var(--color-black);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    align-self: flex-start;
}

.form-submit:hover {
    background: var(--color-gray-800);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.form-submit svg {
    transition: transform var(--transition-fast);
}

.form-submit:hover svg {
    transform: translateX(3px);
}

/* Contact Info Column */
.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
    padding-top: calc(var(--space-lg) + 2.5rem + var(--space-md) + 1.5rem + var(--space-2xl));
}

.contact-info-block {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-info-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
    margin-bottom: 0.25rem;
}

.contact-address {
    font-style: normal;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--color-gray-700);
}

.contact-phone,
.contact-email-link {
    font-size: 0.9375rem;
    color: var(--color-gray-700);
    transition: color var(--transition-fast);
}

.contact-phone:hover,
.contact-email-link:hover {
    color: var(--color-black);
}

.contact-socials {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--color-gray-500);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.social-link:hover {
    color: var(--color-black);
    border-color: var(--color-gray-300);
    transform: translateY(-2px);
}

.contact-flags {
    margin-top: auto;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-gray-200);
}

.location-flags {
    display: flex;
    gap: var(--space-sm);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.made-in {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

/* ---------- Footer ---------- */
.footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-xl) 0;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.footer-logo .logo-mark {
    display: inline-flex;
    gap: 2px;
    transform: skewX(-12deg);
}

.footer-logo .logo-bar {
    display: inline-block;
    width: 5px;
    height: 18px;
    background: var(--color-white);
    border-radius: 1px;
}

.footer-copy {
    font-size: 0.875rem;
    color: var(--color-gray-400);
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
    .hero-visual {
        width: 100%;
        opacity: 0.25;
    }

    .stats-container {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-2xl);
    }

    .stat-divider {
        display: none;
    }

    .stat-item {
        flex: 1 1 140px;
        text-align: center;
    }

    .stat-partner {
        text-align: center;
        flex: 1 1 100%;
    }

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

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

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

    .mission-partnership-container {
        grid-template-columns: 1fr;
        gap: var(--space-4xl);
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: var(--space-3xl);
    }

    .contact-info-column {
        padding-top: 0;
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--space-2xl);
    }

    .contact-info-block {
        flex: 1 1 200px;
    }

    .contact-flags {
        flex: 1 1 100%;
        margin-top: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
        --banner-height: auto;
    }

    .news-banner {
        padding: var(--space-sm) var(--space-md);
    }

    .news-banner-content {
        flex-wrap: wrap;
        gap: var(--space-sm);
        font-size: 0.8125rem;
    }

    .news-text {
        display: none;
    }

    .nav-links {
        display: none;
    }

    .lang-switcher {
        display: none;
    }

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

    .mobile-menu {
        display: flex;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

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

    .team-member:nth-child(5) {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.875rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .challenge-title,
    .technology-title,
    .contact-title {
        font-size: 1.75rem;
    }

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

    .team-member:nth-child(5) {
        grid-column: span 1;
        max-width: 100%;
    }

    .pillar {
        padding: var(--space-xl);
    }
}

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

.hero-content,
.hero-visual,
.challenge-header,
.challenge-content,
.technology-header,
.pillars,
.team-header,
.team-grid,
.mission-column,
.partnership-column,
.contact-content,
.contact-info {
    animation: fadeInUp 0.6s ease forwards;
}

.hero-content { animation-delay: 0.1s; }
.hero-visual { animation-delay: 0.2s; }
.pillars .pillar:nth-child(1) { animation-delay: 0.1s; }
.pillars .pillar:nth-child(2) { animation-delay: 0.2s; }
.pillars .pillar:nth-child(3) { animation-delay: 0.3s; }
.team-grid .team-member:nth-child(1) { animation-delay: 0.1s; }
.team-grid .team-member:nth-child(2) { animation-delay: 0.15s; }
.team-grid .team-member:nth-child(3) { animation-delay: 0.2s; }
.team-grid .team-member:nth-child(4) { animation-delay: 0.25s; }
.team-grid .team-member:nth-child(5) { animation-delay: 0.3s; }

/* Scroll-triggered animations via Intersection Observer (JS) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}