/* =============================================
   ACJ Antidoping Services — Styles
   Classic & Elegant · Deep Navy + Warm Gold
   ============================================= */

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

:root {
    --navy: #0A1D3F;
    --navy-light: #132D54;
    --navy-dark: #061229;
    --gold: #C9A84C;
    --gold-light: #D4B96A;
    --gold-dark: #B08D3A;
    --cream: #FAF8F4;
    --cream-dark: #F3EFE8;
    --white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-medium: #4A4A4A;
    --text-light: #6B6B6B;
    --text-on-navy: #E8E4DC;
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Lora', 'Palatino Linotype', Palatino, Georgia, serif;
    --font-accent: 'Cormorant Garamond', Georgia, serif;
    --shadow-sm: 0 1px 3px rgba(10, 29, 63, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 29, 63, 0.10);
    --shadow-lg: 0 8px 40px rgba(10, 29, 63, 0.12);
    --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.15);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    color: var(--gold-dark);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--gold);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.25;
    color: var(--navy);
}

.lead {
    font-family: var(--font-accent);
    font-size: 1.25rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 1rem;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gold);
    color: var(--navy-dark);
    border-color: var(--gold);
}

.btn-primary:hover {
    background: var(--gold-light);
    border-color: var(--gold-light);
    color: var(--navy-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--navy);
    transform: translateY(-2px);
}

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

/* ---------- Header / Navigation ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition);
    padding: 0;
}

.site-header.scrolled {
    background: rgba(10, 29, 63, 0.97);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 0;
    transition: padding var(--transition);
}

.site-header.scrolled .nav {
    padding: 14px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--white);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.logo-tagline {
    font-family: var(--font-accent);
    font-size: 0.8125rem;
    color: var(--gold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

.nav-list {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    background: rgba(201, 168, 76, 0.15);
}

.nav-link.active {
    color: var(--gold);
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--gold);
    white-space: nowrap;
}

.nav-phone:hover {
    color: var(--gold-light);
}

/* Hamburger */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger {
    position: relative;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
}

.hamburger::before {
    top: -7px;
}

.hamburger::after {
    top: 7px;
}

.nav-toggle[aria-expanded="true"] .hamburger {
    background: transparent;
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(6, 18, 41, 0.88) 0%,
        rgba(10, 29, 63, 0.80) 40%,
        rgba(19, 45, 84, 0.72) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 120px 24px 80px;
    text-align: center;
}

.hero-greeting {
    font-family: var(--font-accent);
    font-size: 1.125rem;
    color: var(--gold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s 0.2s forwards;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 0.8s 0.4s forwards;
}

.hero-sub {
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--text-on-navy);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeUp 0.8s 0.6s forwards;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s 0.8s forwards;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-family: var(--font-accent);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: float 2s ease-in-out infinite;
}

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

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Section Common ---------- */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-label {
    font-family: var(--font-accent);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gold-dark);
    display: block;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 20px;
}

.section-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 0 auto 24px;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ---------- About ---------- */
.about {
    background: var(--white);
}

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

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    border: 2px solid var(--gold);
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.4;
}

.about-content p {
    color: var(--text-medium);
    margin-bottom: 1.25rem;
    font-size: 1.0625rem;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--text-dark);
}

.value-item svg {
    flex-shrink: 0;
}

/* ---------- Services ---------- */
.services {
    background: var(--cream);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all var(--transition);
    border: 1px solid rgba(10, 29, 63, 0.06);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--navy);
}

.service-desc {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.75;
}

/* ---------- Process ---------- */
.process {
    background: var(--navy);
    position: relative;
    overflow: hidden;
}

.process::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: rgba(201, 168, 76, 0.03);
    pointer-events: none;
}

.process .section-label {
    color: var(--gold);
}

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

.process .section-subtitle {
    color: var(--text-on-navy);
}

.process .section-divider {
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 36px;
    left: 12.5%;
    right: 12.5%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), var(--gold), transparent);
    opacity: 0.3;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gold);
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 20px;
    transition: opacity var(--transition);
}

.process-step:hover .step-number {
    opacity: 0.8;
}

.step-title {
    font-size: 1.1875rem;
    color: var(--white);
    margin-bottom: 12px;
}

.step-desc {
    font-size: 0.9375rem;
    color: var(--text-on-navy);
    line-height: 1.75;
}

/* ---------- Quote Section ---------- */
.quote-section {
    background: var(--cream-dark);
    padding: 80px 0;
    position: relative;
}

.quote-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.quote-mark {
    margin-bottom: 24px;
}

.quote-content blockquote {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-style: italic;
    color: var(--navy);
    line-height: 1.6;
    margin-bottom: 32px;
}

.quote-cite {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-style: normal;
}

.quote-name {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    color: var(--navy);
}

.quote-location {
    font-family: var(--font-accent);
    font-size: 0.9375rem;
    color: var(--gold-dark);
    letter-spacing: 0.05em;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    padding: 24px;
    background: var(--cream);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    transition: all var(--transition);
}

.contact-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.12);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-card-title {
    font-size: 1rem;
    margin-bottom: 4px;
    color: var(--navy);
}

.contact-card-text {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-card-text a {
    color: var(--text-light);
}

.contact-card-text a:hover {
    color: var(--gold-dark);
}

/* Form */
.contact-form-wrapper {
    background: var(--cream);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid rgba(10, 29, 63, 0.06);
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 32px;
    color: var(--navy);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
    letter-spacing: 0.02em;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--text-dark);
    background: var(--white);
    border: 1.5px solid rgba(10, 29, 63, 0.12);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.12);
}

.form-input::placeholder {
    color: var(--text-light);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B6B6B' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

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

.form-success {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 20px;
    padding: 16px 20px;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.3);
    border-radius: var(--radius-sm);
    color: var(--navy);
    font-size: 0.9375rem;
}

.form-success svg {
    flex-shrink: 0;
    color: var(--gold-dark);
}

/* ---------- Map Section ---------- */
.map-section {
    position: relative;
    height: 360px;
}

.map-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.6) saturate(0.8);
}

.map-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 29, 63, 0.3);
}

.map-content {
    text-align: center;
    color: var(--white);
}

.map-content .section-label {
    color: var(--gold);
}

.map-content .section-title {
    color: var(--white);
    margin-bottom: 16px;
}

.map-content .section-divider {
    margin-bottom: 20px;
}

.map-address {
    font-family: var(--font-body);
    font-size: 1.125rem;
    color: var(--text-on-navy);
    margin-bottom: 32px;
}

.map-content .btn-secondary {
    border-color: var(--gold);
    color: var(--gold);
}

.map-content .btn-secondary:hover {
    background: var(--gold);
    color: var(--navy-dark);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--navy-dark);
    color: var(--text-on-navy);
    padding: 64px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: var(--text-on-navy);
    opacity: 0.7;
    line-height: 1.75;
    margin-top: 20px;
    max-width: 320px;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 20px;
    letter-spacing: 0.02em;
}

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

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--text-on-navy);
    opacity: 0.7;
    transition: all var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--gold);
}

.footer-contact address {
    font-style: normal;
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--text-on-navy);
    opacity: 0.7;
}

.footer-contact a {
    color: var(--text-on-navy);
}

.footer-contact a:hover {
    color: var(--gold);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 0.8125rem;
    color: var(--text-on-navy);
    opacity: 0.5;
}

/* ---------- Scroll Animations ---------- */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

    .about-grid {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--navy-dark);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 32px;
        gap: 8px;
        transition: right var(--transition);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    }

    .nav-menu.open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }

    .nav-link {
        display: block;
        padding: 14px 16px;
        font-size: 1rem;
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-phone {
        margin-top: 24px;
        font-size: 1rem;
    }

    .hero-content {
        padding: 100px 24px 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image img {
        height: 360px;
    }

    .about-image-accent {
        display: none;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

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

    .process-steps {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrapper {
        padding: 28px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .map-section {
        height: 260px;
    }

    .section {
        padding: 72px 0;
    }
}

@media (max-width: 480px) {
    .hero-headline {
        font-size: 1.75rem;
    }

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

    .container {
        padding: 0 16px;
    }

    .service-card {
        padding: 28px 24px;
    }
}

/* Mobile menu overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: all;
}