:root {
    --purple-deep: #1a0d2e;
    --purple-primary: #2d1b4e;
    --purple-medium: #4a2c6d;
    --purple-accent: #6b46a8;
    --purple-light: #8e6bbf;
    --purple-bright: #a77dd6;
    --white: #ffffff;
    --off-white: #fafbfc;
    --gray-light: #e8e9ed;
    --gray-medium: #9ca3b4;
    --gray-dark: #4a4d5a;

    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'IBM Plex Sans', sans-serif;

    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-quick: all 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Background Geometry */
.bg-geometry {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    opacity: 0.4;
}

.geo-line {
    position: absolute;
    background: linear-gradient(90deg, transparent, var(--purple-accent), transparent);
    height: 1px;
    animation: float 20s infinite ease-in-out;
}

.geo-line-1 {
    top: 20%;
    left: -20%;
    width: 60%;
    transform: rotate(-15deg);
    animation-delay: 0s;
}

.geo-line-2 {
    bottom: 30%;
    right: -20%;
    width: 50%;
    transform: rotate(25deg);
    animation-delay: 3s;
}

.geo-dot {
    position: absolute;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--purple-bright);
    animation: pulse 4s infinite ease-in-out;
}

.geo-dot-1 {
    top: 15%;
    left: 25%;
    animation-delay: 0s;
}

.geo-dot-2 {
    top: 60%;
    right: 30%;
    animation-delay: 1.5s;
}

.geo-dot-3 {
    bottom: 20%;
    left: 15%;
    animation-delay: 3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(-15deg);
    }
    50% {
        transform: translateY(-30px) rotate(-15deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--gray-light);
    animation: slideDown 0.6s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.logo-image {
    height: 40px;
    width: auto;
    transition: var(--transition-quick);
}

.logo-image:hover {
    opacity: 0.8;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 48px;
}

.nav-menu a {
    font-size: 15px;
    font-weight: 500;
    color: var(--purple-medium);
    text-decoration: none;
    transition: var(--transition-quick);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--purple-accent);
    transition: var(--transition-quick);
}

.nav-menu a:hover {
    color: var(--purple-deep);
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--purple-accent);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 86px;
    font-weight: 400;
    line-height: 1.1;
    color: var(--purple-deep);
    margin-bottom: 40px;
    letter-spacing: -2px;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease-out both;
}

.title-line:nth-child(1) {
    animation-delay: 0.4s;
}

.title-line:nth-child(2) {
    animation-delay: 0.5s;
}

.title-line:nth-child(3) {
    animation-delay: 0.6s;
}

.title-line-accent {
    color: var(--purple-accent);
    font-style: italic;
    font-weight: 500;
}

.hero-description {
    font-size: 21px;
    line-height: 1.8;
    color: var(--purple-medium);
    max-width: 720px;
    margin-bottom: 64px;
    font-weight: 300;
    animation: fadeInUp 0.8s ease-out 0.7s both;
}

.hero-stats {
    display: flex;
    gap: 80px;
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat {
    position: relative;
}

.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: -20px;
    width: 3px;
    height: 100%;
    background: var(--purple-accent);
    opacity: 0.5;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 42px;
    font-weight: 600;
    color: var(--purple-deep);
    margin-bottom: 8px;
    letter-spacing: -1px;
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-medium);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Section Styles */
.section {
    padding: 120px 0;
    position: relative;
    z-index: 1;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 24px;
    margin-bottom: 72px;
}

.section-number {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 300;
    color: var(--purple-accent);
    letter-spacing: 2px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 400;
    color: var(--purple-deep);
    letter-spacing: -1.5px;
}

/* Focus Section */
.focus-section {
    background: var(--off-white);
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.focus-card {
    background: var(--white);
    padding: 48px 40px;
    border: 1px solid var(--gray-light);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.focus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--purple-accent), var(--purple-bright));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.focus-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(26, 13, 46, 0.08);
}

.focus-card:hover::before {
    transform: scaleX(1);
}

.focus-icon {
    width: 56px;
    height: 56px;
    margin-bottom: 32px;
    color: var(--purple-accent);
    transition: var(--transition-smooth);
}

.focus-card:hover .focus-icon {
    color: var(--purple-bright);
    transform: scale(1.1);
}

.focus-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 500;
    color: var(--purple-deep);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.focus-description {
    font-size: 16px;
    line-height: 1.8;
    color: var(--purple-medium);
    font-weight: 300;
}

/* Approach Section */
.approach-layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: start;
}

.approach-text {
    margin-bottom: 64px;
}

.approach-heading {
    font-family: var(--font-display);
    font-size: 36px;
    font-weight: 500;
    color: var(--purple-deep);
    margin-bottom: 28px;
    letter-spacing: -0.5px;
}

.approach-text p {
    font-size: 18px;
    line-height: 1.9;
    color: var(--purple-medium);
    margin-bottom: 24px;
    font-weight: 300;
}

.principles {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.principle {
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.principle-number {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 300;
    color: var(--purple-accent);
    letter-spacing: -1px;
    flex-shrink: 0;
    width: 60px;
}

.principle-content {
    flex: 1;
}

.principle-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--purple-deep);
    margin-bottom: 12px;
}

.principle-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--purple-medium);
    font-weight: 300;
}

.approach-visual {
    position: sticky;
    top: 120px;
}

.visual-card {
    background: var(--purple-deep);
    padding: 56px 48px;
    border: 1px solid var(--purple-primary);
}

.visual-metric {
    margin-bottom: 40px;
}

.metric-value {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 500;
    color: var(--purple-bright);
    margin-bottom: 12px;
    letter-spacing: -1px;
}

.metric-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-light);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.visual-divider {
    height: 1px;
    background: var(--purple-primary);
    margin: 48px 0;
}

.visual-quote {
    font-family: var(--font-display);
    font-size: 22px;
    font-style: italic;
    line-height: 1.6;
    color: var(--white);
    font-weight: 300;
}

/* Portfolio Section */
.portfolio-section {
    background: var(--purple-deep);
    color: var(--white);
}

.portfolio-section .section-title {
    color: var(--white);
}

.portfolio-intro {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-light);
    max-width: 800px;
    margin-bottom: 48px;
    font-weight: 300;
}

.portfolio-cases {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.case-study {
    border: 1px solid var(--purple-primary);
    padding: 36px 32px;
    background: rgba(255, 255, 255, 0.02);
    transition: var(--transition-smooth);
    position: relative;
}

.case-study::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, var(--purple-accent), var(--purple-bright));
    transition: var(--transition-smooth);
}

.case-study:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--purple-medium);
}

.case-study:hover::before {
    height: 100%;
}

.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.case-logo a {
    font-size: 14px;
    font-weight: 600;
    color: var(--purple-bright);
    text-decoration: none;
    transition: var(--transition-quick);
    border-bottom: 2px solid transparent;
}

.case-logo a:hover {
    color: var(--white);
    border-bottom-color: var(--purple-accent);
}

.case-category {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--gray-medium);
    padding: 4px 12px;
    border: 1px solid var(--purple-primary);
    background: rgba(255, 255, 255, 0.03);
}

.case-title {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.case-description {
    font-size: 15px;
    line-height: 1.7;
    color: var(--gray-light);
    margin-bottom: 32px;
    font-weight: 300;
}

.case-problem,
.case-solution,
.case-impact {
    margin-bottom: 24px;
}

.case-subtitle {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--purple-bright);
    margin-bottom: 8px;
}

.case-problem p,
.case-solution p,
.case-impact p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--gray-light);
    font-weight: 300;
}

.case-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--purple-primary);
}

.tag {
    font-size: 12px;
    font-weight: 500;
    padding: 8px 16px;
    border: 1px solid var(--purple-medium);
    color: var(--purple-bright);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-quick);
}

.tag:hover {
    background: var(--purple-accent);
    color: var(--white);
    border-color: var(--purple-accent);
}

/* Contact Section */
.contact-section {
    background: var(--off-white);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-intro {
    font-size: 20px;
    line-height: 1.8;
    color: var(--purple-medium);
    font-weight: 300;
}

.contact-info {
    display: grid;
    gap: 32px;
}

.contact-card {
    border-left: 3px solid var(--purple-accent);
    padding-left: 24px;
    transition: var(--transition-quick);
}

.contact-card:hover {
    transform: translateX(8px);
}

.contact-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray-medium);
    margin-bottom: 8px;
}

.contact-value {
    font-size: 20px;
    font-weight: 500;
    color: var(--purple-deep);
}

/* Footer */
.footer {
    background: var(--purple-deep);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 64px;
    padding-bottom: 64px;
    border-bottom: 1px solid var(--purple-primary);
}

.footer-tagline {
    font-size: 16px;
    color: var(--gray-light);
    margin-top: 16px;
    font-weight: 300;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
}

.footer-column-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--purple-bright);
    margin-bottom: 24px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 16px;
}

.footer-column a {
    font-size: 15px;
    color: var(--gray-light);
    text-decoration: none;
    transition: var(--transition-quick);
}

.footer-column a:hover {
    color: var(--white);
    padding-left: 8px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 14px;
    color: var(--gray-medium);
}

/* Responsive */
@media (max-width: 1200px) {
    .container, .nav-container {
        padding: 0 40px;
    }

    .hero-title {
        font-size: 72px;
    }

    .section-title {
        font-size: 54px;
    }
}

@media (max-width: 968px) {
    .focus-grid {
        grid-template-columns: 1fr;
    }

    .approach-layout {
        grid-template-columns: 1fr;
    }

    .approach-visual {
        position: static;
    }

    .portfolio-cases {
        grid-template-columns: 1fr;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .case-study {
        padding: 32px 28px;
    }

    .case-title {
        font-size: 28px;
    }
}

@media (max-width: 768px) {
    .container, .nav-container {
        padding: 0 24px;
    }

    .nav-menu {
        gap: 24px;
    }

    .hero-title {
        font-size: 48px;
    }

    .hero-description {
        font-size: 18px;
    }

    .hero-stats {
        flex-direction: column;
        gap: 32px;
    }

    .section-title {
        font-size: 42px;
    }

    .focus-card {
        padding: 32px 24px;
    }

    .case-study {
        padding: 28px 20px;
    }

    .case-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .case-title {
        font-size: 24px;
    }

    .case-description {
        font-size: 14px;
    }

    .case-problem p,
    .case-solution p,
    .case-impact p {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        height: 64px;
    }

    .logo-image {
        height: 32px;
    }

    .nav-menu {
        gap: 16px;
        font-size: 13px;
    }

    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-header {
        flex-direction: column;
        gap: 12px;
    }
}