/* ===== CSS VARIABLES ===== */
:root {
    --color-dark: #0e0e12;
    --color-dark-2: #16161d;
    --color-dark-3: #1c1c26;
    --color-white: #ffffff;
    --color-off-white: #f8f8fa;
    --color-gray-100: #f0f0f3;
    --color-gray-200: #e2e2e7;
    --color-gray-300: #c8c8d0;
    --color-gray-400: #9999a5;
    --color-gray-500: #6e6e7a;
    --color-gray-600: #4a4a55;
    --color-coral: #fe8066;
    --color-pink: #fe4f93;
    --color-accent-light: #fff0f3;
    --color-accent-light-2: #fff5f0;
    --font-heading: 'DM Sans', system-ui, sans-serif;
    --font-body: 'Source Sans 3', system-ui, sans-serif;
    --max-width: 1200px;
    --section-pad: 80px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-gray-600);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.2;
    letter-spacing: -0.02em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p + p { margin-top: 1em; }

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== ACCENT LINE ===== */
.accent-line {
    width: 36px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-coral), var(--color-pink));
    border-radius: 2px;
    margin-bottom: 12px;
}

/* ===== SECTION LABEL ===== */
.section-label {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-pink);
    margin-bottom: 8px;
}

/* ===== SECTION TITLE ===== */
.section-title {
    margin-bottom: 16px;
}
.section-desc {
    font-size: 1.05rem;
    color: var(--color-gray-500);
    max-width: 600px;
    margin-bottom: 40px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--color-pink);
    color: var(--color-white);
}
.btn-primary:hover {
    background: var(--color-coral);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    color: var(--color-dark);
    border: 1.5px solid var(--color-gray-200);
}
.btn-outline:hover {
    border-color: var(--color-pink);
    color: var(--color-pink);
}
.btn-dark {
    background: var(--color-dark);
    color: var(--color-white);
}
.btn-dark:hover {
    background: var(--color-dark-2);
    transform: translateY(-2px);
}
.btn-white {
    background: var(--color-white);
    color: var(--color-dark);
}
.btn-white:hover {
    transform: translateY(-2px);
}
.btn svg { flex-shrink: 0; }

/* ===== NAVIGATION ===== */
.site-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background var(--transition), box-shadow var(--transition);
}
.site-nav.nav-dark {
    background: transparent;
}
.site-nav.nav-scrolled {
    background: rgba(14, 14, 18, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.06);
}
.nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
}
.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: -0.03em;
}
.nav-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--color-pink);
    display: flex;
    align-items: center;
    justify-content: center;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}
.nav-links a {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255,255,255,0.55);
    transition: color var(--transition);
    position: relative;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--color-white);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-pink);
    transition: width var(--transition);
    border-radius: 1px;
}
.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}
.nav-cta {
    padding: 9px 20px;
    background: var(--color-pink);
    color: var(--color-white) !important;
    border-radius: var(--radius-sm);
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    opacity: 1 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
    background: var(--color-coral) !important;
    color: var(--color-white) !important;
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 24px;
    cursor: pointer;
    z-index: 1001;
}
.nav-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    height: 100dvh;
    background: var(--color-dark);
    z-index: 999;
    transition: right var(--transition);
    padding: 80px 32px 32px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.mobile-menu.open { right: 0; }
.mobile-menu a {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--color-white); }
.mobile-menu .nav-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 16px;
    padding: 14px 24px;
    border-bottom: none;
}
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}
.mobile-overlay.open { opacity: 1; visibility: visible; }

/* ===== FOOTER ===== */
.site-footer {
    background: var(--color-dark);
    color: rgba(255,255,255,0.4);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.35);
    margin-top: 12px;
    max-width: 280px;
}
.footer-brand .nav-logo {
    font-size: 1.15rem;
}
.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.6);
    margin-bottom: 16px;
}
.footer-col a {
    display: block;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.35);
    padding: 5px 0;
    transition: color var(--transition);
}
.footer-col a:hover {
    color: var(--color-white);
}
.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.8rem;
}
.footer-social {
    display: flex;
    gap: 16px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.footer-social a:hover {
    border-color: var(--color-pink);
    background: rgba(254,79,147,0.1);
}
.footer-social a svg {
    width: 16px;
    height: 16px;
    fill: rgba(255,255,255,0.4);
    transition: fill var(--transition);
}
.footer-social a:hover svg { fill: var(--color-pink); }

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== FAQ ACCORDION ===== */
.faq-item {
    border-bottom: 1px solid var(--color-gray-200);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 0;
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-dark);
    text-align: left;
    cursor: pointer;
    background: none;
    border: none;
    gap: 16px;
}
.faq-question svg {
    flex-shrink: 0;
    transition: transform var(--transition);
    color: var(--color-gray-400);
}
.faq-item.open .faq-question svg {
    transform: rotate(45deg);
    color: var(--color-pink);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.open .faq-answer {
    max-height: 500px;
    padding-bottom: 20px;
}
.faq-answer p {
    font-size: 0.95rem;
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    :root { --section-pad: 60px; }
    .nav-links { display: none; }
    .nav-hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 640px) {
    :root { --section-pad: 48px; }
    .container { padding: 0 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
    .btn { padding: 12px 24px; font-size: 0.9rem; }
}