/* ==========================================
   VARIABLES & RESET
   ========================================== */
:root {
    /* Brand Colors */
    --obsidian-black: #06050B;
    --zinnwaldite-brown: #222200;
    --matte-sage: #97a288;
    --white: #ffffff;

    /* Typography */
    --font-serif: 'Quattrocento', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 8vw, 5rem);
}

h2 {
    font-size: clamp(2rem, 5vw, 3rem);
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    line-height: 1.7;
}

/* ==========================================
   LAYOUT
   ========================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: var(--section-padding);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    background: var(--obsidian-black);
    text-align: center;
    position: relative;
    justify-content: center;
}

.logo {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--white);
    margin-bottom: 3rem;
    letter-spacing: 0.02em;
    animation: fadeInDown 1s ease;
}

.hero-title {
    color: var(--white);
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
    color: var(--matte-sage);
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    animation: fadeInUp 1s ease 0.4s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--white);
    color: var(--obsidian-black);
    text-decoration: none;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    animation: fadeInUp 1s ease 0.6s both;
    font-family: var(--font-sans);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    opacity: 0.6;
    animation: fadeIn 1s ease 1s both;
}

.scroll-indicator span {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--matte-sage);
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--matte-sage);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* ==========================================
   SERVICES SECTION
   ========================================== */
.services {
    background: linear-gradient(180deg, var(--obsidian-black) 0%, var(--zinnwaldite-brown) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: start;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    min-height: 600px;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--matte-sage);
    background: rgba(255, 255, 255, 0.08);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.service-card h2 {
    margin-bottom: 1rem;
    margin-top: 0;
    color: var(--white);
    line-height: 1.2;
}

.service-description {
    color: var(--matte-sage);
    margin-bottom: 2rem;
    min-height: 4.5rem;
}

.service-list {
    list-style: none;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.service-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--white);
    font-size: 0.95rem;
    line-height: 1.5;
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--matte-sage);
}

.service-cta {
    display: inline-block;
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--white);
    border-radius: 50px;
    transition: all 0.3s ease;
    margin-top: auto;
}

.service-cta:hover {
    background: var(--white);
    color: var(--obsidian-black);
}

/* ==========================================
   DIFFERENCE SECTION
   ========================================== */
.difference {
    background: var(--zinnwaldite-brown);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
    color: var(--white);
}

.difference-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.difference-card {
    text-align: center;
    padding: 2rem;
}

.difference-card h3 {
    color: var(--matte-sage);
    margin-bottom: 1rem;
}

.difference-card p {
    color: rgba(255, 255, 255, 0.8);
}

/* ==========================================
   PROCESS/HOW WE WORK SECTION
   ========================================== */
.process {
    background: var(--obsidian-black);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.process-step {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--matte-sage);
    color: var(--obsidian-black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    font-family: var(--font-serif);
}

.process-step h3 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.process-step p {
    color: var(--matte-sage);
    font-size: 1rem;
}

/* ==========================================
   CLIENTS SECTION
   ========================================== */
.clients {
    background: linear-gradient(180deg, var(--zinnwaldite-brown) 0%, var(--obsidian-black) 100%);
}

.clients-content {
    max-width: 900px;
    margin: 0 auto;
}

.clients-list ul {
    list-style: none;
    margin-bottom: 3rem;
}

.clients-list li {
    padding: 1rem 0;
    padding-left: 2rem;
    position: relative;
    font-size: 1.125rem;
    color: var(--white);
}

.clients-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--matte-sage);
    font-size: 1.5rem;
}

.industries {
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.industries-label {
    font-weight: 600;
    color: var(--matte-sage);
    margin-bottom: 1rem;
}

.industries-tags {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

/* ==========================================
   CONTACT FORM SECTION
   ========================================== */
.contact-form {
    background: var(--zinnwaldite-brown);
}

.form-subtitle {
    text-align: center;
    color: var(--matte-sage);
    margin-bottom: 3rem;
    font-size: 1.125rem;
}

.contact-form-wrapper {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: var(--matte-sage);
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--matte-sage);
    background: rgba(255, 255, 255, 0.1);
}

.form-group select option {
    background: var(--obsidian-black);
    color: var(--white);
}

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

.form-submit {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--white);
    color: var(--obsidian-black);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.0625rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: var(--font-sans);
}

.form-submit:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

/* ==========================================
   CONTACT/CTA SECTION
   ========================================== */
.contact {
    background: var(--obsidian-black);
}

.cta-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.cta-card {
    padding: 4rem 3rem;
    border-radius: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.cta-dark {
    background: var(--zinnwaldite-brown);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.cta-blue {
    background: linear-gradient(135deg, #0A1F44 0%, #1a3a5f 100%);
    border: 2px solid rgba(151, 162, 136, 0.3);
}

.cta-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.cta-card h2 {
    margin-bottom: 1rem;
    color: var(--white);
}

.cta-card p {
    color: var(--matte-sage);
    margin-bottom: 2rem;
}

.cta-card .cta-button {
    background: var(--white);
    color: var(--obsidian-black);
}

/* ==========================================
   FOOTER
   ========================================== */
.footer {
    background: var(--obsidian-black);
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-tagline {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--white);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1.5rem;
}

.footer-links a {
    color: var(--matte-sage);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 0.6;
    }
}

@keyframes scrollPulse {
    0%, 100% {
        transform: scaleY(1);
        opacity: 0.6;
    }
    50% {
        transform: scaleY(1.5);
        opacity: 1;
    }
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
        min-height: auto;
    }

    .services-grid,
    .difference-grid,
    .process-timeline,
    .cta-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .service-card {
        padding: 2rem;
    }

    .cta-card {
        padding: 3rem 2rem;
    }

    .contact-form-wrapper {
        padding: 2rem;
    }

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

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1.5rem;
    }

    .logo {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

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