/* tanso.biz - Carbon Intelligence Platform */
/* Colors: #1a1a2e (deep base), #4a90d9 (primary blue), #f5f0e8 (warm off-white), #e8b84b (accent gold), #6c757d (muted gray) */
/* Fonts: Jost (substitute for Futura), Inter */

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

:root {
    --deep-base: #1a1a2e;
    --primary-blue: #4a90d9;
    --warm-white: #f5f0e8;
    --accent-gold: #e8b84b;
    --muted-gray: #6c757d;
    --font-heading: 'Jost', 'Futura', 'Gill Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--deep-base);
    color: var(--warm-white);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVIGATION ===== */
#main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease;
}

#main-nav.scrolled {
    background-color: rgba(26, 26, 46, 0.92);
    backdrop-filter: blur(20px);
    padding: 10px 0;
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--warm-white);
}

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

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-dot {
    color: var(--accent-gold);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--warm-white);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    opacity: 0.8;
    transition: opacity 0.3s ease, color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width 0.3s ease;
}

.nav-link:hover {
    opacity: 1;
    color: var(--accent-gold);
}

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

.nav-cta {
    background: var(--accent-gold);
    color: var(--deep-base);
    padding: 10px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232, 184, 75, 0.3);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--warm-white);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

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

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

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

/* Mobile menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.98);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-link {
    color: var(--warm-white);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    opacity: 0.8;
    transition: opacity 0.3s ease, color 0.3s ease;
}

.mobile-link:hover {
    opacity: 1;
    color: var(--accent-gold);
}

.mobile-cta {
    color: var(--accent-gold);
    opacity: 1;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 120px 24px 80px;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
}

.hero-blob-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(74, 144, 217, 0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: blobFloat1 12s ease-in-out infinite;
}

.hero-blob-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(232, 184, 75, 0.1) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    animation: blobFloat2 15s ease-in-out infinite;
}

@keyframes blobFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-40px, 30px) scale(1.05); }
    66% { transform: translate(20px, -20px) scale(0.95); }
}

@keyframes blobFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -40px) scale(1.08); }
    66% { transform: translate(-20px, 20px) scale(0.92); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: 24px;
    padding: 8px 20px;
    border: 1px solid rgba(232, 184, 75, 0.3);
    border-radius: 30px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 0.2s;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 24px;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    letter-spacing: -0.03em;
    opacity: 0;
    transform: translateY(40px);
}

.title-line:nth-child(1) { animation: fadeUp 0.8s ease forwards 0.4s; }
.title-line:nth-child(2) { animation: fadeUp 0.8s ease forwards 0.6s; }
.title-line:nth-child(3) { animation: fadeUp 0.8s ease forwards 0.8s; }

.title-accent {
    color: var(--accent-gold);
    -webkit-text-stroke: 0;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.7;
    color: var(--muted-gray);
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 1s;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease forwards 1.2s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: var(--accent-gold);
    color: var(--deep-base);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(232, 184, 75, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--warm-white);
    border: 1px solid rgba(245, 240, 232, 0.3);
}

.btn-outline:hover {
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Scroll indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 1.5s;
}

.scroll-text {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--muted-gray);
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ===== SECTIONS COMMON ===== */
.section-header {
    margin-bottom: 64px;
}

.section-header-center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary-blue);
    margin-bottom: 16px;
}

.section-tag-light {
    color: var(--accent-gold);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--muted-gray);
    max-width: 500px;
    line-height: 1.7;
}

/* Organic blob shapes */
.section-blob-left {
    position: absolute;
    left: -300px;
    top: 50%;
    transform: translateY(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(74, 144, 217, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

/* ===== SOLUTIONS ===== */
.solutions {
    position: relative;
    padding: 120px 0;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-card {
    background: rgba(245, 240, 232, 0.03);
    border: 1px solid rgba(245, 240, 232, 0.08);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-gold));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.solution-card:hover {
    background: rgba(245, 240, 232, 0.06);
    border-color: rgba(74, 144, 217, 0.2);
    transform: translateY(-4px);
}

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

.solution-card-wide {
    grid-column: span 2;
}

.card-3d-visual {
    width: 100%;
    max-width: 180px;
    margin-bottom: 24px;
}

.card-3d-visual svg {
    width: 100%;
    height: auto;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.card-desc {
    font-size: 0.95rem;
    color: var(--muted-gray);
    line-height: 1.6;
    margin-bottom: 16px;
}

.card-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.02em;
    transition: letter-spacing 0.3s ease;
}

.solution-card:hover .card-link {
    letter-spacing: 0.06em;
}

/* ===== PROCESS ===== */
.process {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(180deg, var(--deep-base), rgba(26, 26, 46, 0.95));
}

.process-blob-right {
    position: absolute;
    right: -250px;
    top: 30%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(232, 184, 75, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.process-timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px 64px;
}

.process-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(74, 144, 217, 0.15);
    transform: translateX(-50%);
}

.process-step {
    display: flex;
    gap: 24px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.process-step.visible {
    opacity: 1;
    transform: translateY(0);
}

.step-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-gold);
    letter-spacing: 0.05em;
}

.step-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary-blue);
    box-shadow: 0 0 20px rgba(74, 144, 217, 0.4);
}

.step-content {
    flex: 1;
}

.step-animation {
    width: 100px;
    height: 100px;
    margin-bottom: 16px;
}

.step-svg {
    width: 100%;
    height: 100%;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.step-desc {
    font-size: 0.95rem;
    color: var(--muted-gray);
    line-height: 1.6;
}

/* SVG Animations */
.anim-pulse {
    animation: svgPulse 2s ease-in-out infinite;
}

.anim-spin {
    transform-origin: center;
    animation: svgSpin 8s linear infinite;
}

@keyframes svgPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

@keyframes svgSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ===== METRICS ===== */
.metrics {
    position: relative;
    padding: 120px 0;
}

.metrics-blob {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 400px;
    background: radial-gradient(ellipse, rgba(74, 144, 217, 0.06) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.metric-card {
    background: rgba(245, 240, 232, 0.03);
    border: 1px solid rgba(245, 240, 232, 0.08);
    border-radius: 16px;
    padding: 40px 28px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.metric-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.metric-value {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--accent-gold);
    line-height: 1;
    margin-bottom: 4px;
    letter-spacing: -0.03em;
}

.metric-unit {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-blue);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
}

.metric-label {
    font-size: 0.9rem;
    color: var(--muted-gray);
    margin-bottom: 20px;
}

.metric-bar {
    height: 3px;
    background: rgba(245, 240, 232, 0.08);
    border-radius: 2px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-gold));
    border-radius: 2px;
    width: 0;
    transition: width 1.5s ease;
}

/* ===== ABOUT ===== */
.about {
    position: relative;
    padding: 120px 0;
}

.about-blob-left {
    position: absolute;
    left: -200px;
    top: 20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(232, 184, 75, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-3d-scene {
    width: 100%;
    max-width: 400px;
}

.about-svg {
    width: 100%;
    height: auto;
}

/* Orbit animations */
.orbit {
    transform-origin: center;
}

.orbit-1 { animation: orbitPulse 4s ease-in-out infinite; }
.orbit-2 { animation: orbitPulse 5s ease-in-out infinite 0.5s; }
.orbit-3 { animation: orbitPulse 3s ease-in-out infinite 1s; }

.orbiter-1 { animation: orbiterMove1 10s linear infinite; transform-origin: 200px 200px; }
.orbiter-2 { animation: orbiterMove2 7s linear infinite; transform-origin: 200px 200px; }
.orbiter-3 { animation: orbiterMove3 5s linear infinite; transform-origin: 200px 200px; }

@keyframes orbitPulse {
    0%, 100% { opacity: 0.15; }
    50% { opacity: 0.35; }
}

@keyframes orbiterMove1 {
    from { transform: rotate(0deg) translateX(120px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(120px) rotate(-360deg); }
}

@keyframes orbiterMove2 {
    from { transform: rotate(0deg) translateX(80px) rotate(0deg); }
    to { transform: rotate(-360deg) translateX(80px) rotate(360deg); }
}

@keyframes orbiterMove3 {
    from { transform: rotate(0deg) translateX(40px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(40px) rotate(-360deg); }
}

.about-content {
    display: flex;
    flex-direction: column;
}

.about-text {
    font-size: 1.05rem;
    color: var(--muted-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: rgba(245, 240, 232, 0.05);
    border: 1px solid rgba(245, 240, 232, 0.08);
    flex-shrink: 0;
}

/* ===== CONTACT ===== */
.contact {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(180deg, var(--deep-base), rgba(26, 26, 46, 0.98));
}

.contact-blob {
    position: absolute;
    right: -200px;
    bottom: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(74, 144, 217, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

.contact-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--muted-gray);
    line-height: 1.7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: rgba(245, 240, 232, 0.05);
    border: 1px solid rgba(245, 240, 232, 0.12);
    border-radius: 8px;
    color: var(--warm-white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s ease, background 0.3s ease;
}

.form-input::placeholder {
    color: var(--muted-gray);
}

.form-input:hover {
    border-color: rgba(74, 144, 217, 0.3);
}

.form-input:focus {
    border-color: var(--primary-blue);
    background: rgba(245, 240, 232, 0.08);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236c757d' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--deep-base);
    color: var(--warm-white);
}

/* ===== FOOTER ===== */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(245, 240, 232, 0.06);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-logo {
    margin-bottom: 12px;
}

.footer-tagline {
    font-size: 0.95rem;
    color: var(--muted-gray);
    line-height: 1.6;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 16px;
    color: var(--warm-white);
}

.footer-col {
    display: flex;
    flex-direction: column;
}

.footer-link {
    color: var(--muted-gray);
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 10px;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--accent-gold);
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(245, 240, 232, 0.06);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--muted-gray);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .solution-card-wide {
        grid-column: span 2;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .process-line {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .mobile-menu {
        display: flex;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-card-wide {
        grid-column: span 1;
    }
    
    .metrics-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-visual {
        order: -1;
    }
    
    .contact-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
    
    .hero-title .title-line {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .hero {
        padding: 100px 16px 60px;
    }
}