/* ============================================
   EDVANCE MEDIA — Shared Base Styles
   ============================================ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #4F46E5;
    --primary-light: #818CF8;
    --primary-dark: #3730A3;
    --accent: #7C3AED;
    --gradient: linear-gradient(135deg, #4F46E5, #7C3AED);
    --gradient-soft: linear-gradient(135deg, #EEF2FF, #F5F3FF);
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-card: #FFFFFF;
    --text: #1E293B;
    --text-secondary: #64748B;
    --text-light: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 40px -12px rgba(79,70,229,0.15);
    --shadow-xl: 0 25px 50px -12px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mkt-green: #10B981;
    --mkt-green-light: #34D399;
    --mkt-orange: #F59E0B;
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: color var(--transition); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; color: var(--text); }
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

.text-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --- Layout --- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.section--alt { background: var(--bg-alt); }
.section__header { text-align: center; max-width: 640px; margin: 0 auto 60px; }
.section__header p { margin-top: 16px; color: var(--text-secondary); font-size: 1.125rem; }
.section__label {
    display: inline-block; font-size: 0.8rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--primary); background: rgba(79,70,229,0.08);
    padding: 6px 16px; border-radius: var(--radius-full); margin-bottom: 16px;
}

/* --- Buttons --- */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 12px 28px; font-size: 0.95rem; font-weight: 600;
    border-radius: 10px; border: 2px solid transparent;
    cursor: pointer; transition: all var(--transition); font-family: var(--font);
}
.btn--primary { background: var(--gradient); color: #fff; border-color: transparent; }
.btn--primary:hover { box-shadow: 0 8px 24px rgba(79,70,229,0.35); transform: translateY(-2px); }
.btn--outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn--outline:hover { background: var(--primary); color: #fff; }
.btn--lg { padding: 18px 40px; font-size: 1.05rem; border-radius: 14px; }
.btn--white { background: #fff; color: var(--primary); border-color: #fff; }
.btn--white:hover { background: rgba(255,255,255,0.9); box-shadow: 0 8px 24px rgba(0,0,0,0.15); transform: translateY(-2px); }

/* --- Navbar --- */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent; transition: all var(--transition);
}
.navbar.scrolled { border-bottom-color: var(--border); box-shadow: var(--shadow-sm); }
.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.navbar__logo { display: flex; align-items: center; }
.navbar__logo svg { height: 28px; width: auto; display: block; }
.navbar__menu { display: flex; align-items: center; gap: 8px; }
.navbar__link {
    font-size: 0.9rem; font-weight: 500; padding: 8px 16px; border-radius: 8px;
    color: var(--text-secondary); transition: all var(--transition);
}
.navbar__link:hover, .navbar__link.active { color: var(--primary); background: rgba(79,70,229,0.06); }
.navbar__dropdown { position: relative; }
.navbar__dropdown-toggle { cursor: pointer; }
.navbar__dropdown-toggle::after {
    content: ''; display: inline-block; width: 6px; height: 6px;
    border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
    transform: rotate(45deg); margin-left: 6px; vertical-align: middle;
    transition: transform var(--transition);
}
.navbar__dropdown:hover .navbar__dropdown-toggle::after { transform: rotate(-135deg); }
.navbar__dropdown-menu {
    position: absolute; top: calc(100% + 8px); left: 0; min-width: 220px;
    background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); padding: 8px;
    opacity: 0; visibility: hidden; transform: translateY(8px); transition: all var(--transition);
}
.navbar__dropdown:hover .navbar__dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.navbar__dropdown-menu a {
    display: block; padding: 10px 14px; font-size: 0.9rem;
    color: var(--text-secondary); border-radius: 8px; transition: all var(--transition);
}
.navbar__dropdown-menu a:hover { background: rgba(79,70,229,0.06); color: var(--primary); }
.navbar__cta { margin-left: 8px; }
.navbar__actions { display: flex; align-items: center; gap: 8px; }
.navbar__burger {
    display: none; flex-direction: column; gap: 5px; cursor: pointer;
    padding: 4px; background: none; border: none;
}
.navbar__burger span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: all var(--transition); }

/* --- Footer --- */
.footer { background: var(--bg-alt); border-top: 1px solid var(--border); padding: 60px 0 32px; }
.footer__grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer__brand p { margin-top: 16px; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; }
.footer__title { font-weight: 600; font-size: 0.9rem; margin-bottom: 16px; }
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { color: var(--text-secondary); font-size: 0.9rem; transition: color var(--transition); }
.footer__links a:hover { color: var(--primary); }
.footer__bottom { padding-top: 24px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.footer__copy { color: var(--text-light); font-size: 0.85rem; }

/* --- Contact Form & Grid --- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-grid .form-group--full { grid-column: 1 / -1; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.form-input, .form-textarea, .form-select {
    width: 100%; padding: 14px 18px; font-family: var(--font); font-size: 0.95rem;
    border: 1.5px solid var(--border); border-radius: var(--radius);
    background: var(--bg); color: var(--text); transition: all var(--transition); outline: none;
}
.form-input:focus, .form-textarea:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(79,70,229,0.1); }
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-light); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-message {
    padding: 14px 20px; border-radius: var(--radius); font-size: 0.9rem;
    font-weight: 500; margin-top: 16px; display: none;
}
.form-message--success { background: rgba(16,185,129,0.1); color: #059669; border: 1px solid rgba(16,185,129,0.2); }
.form-message--error { background: rgba(239,68,68,0.1); color: #DC2626; border: 1px solid rgba(239,68,68,0.2); }

.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info__item { display: flex; gap: 16px; margin-bottom: 28px; }
.contact-info__icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(79,70,229,0.08); display: flex;
    align-items: center; justify-content: center; font-size: 1.2rem; flex-shrink: 0;
    color: var(--primary);
}
.contact-info__text h4 { margin-bottom: 4px; }
.contact-info__text p, .contact-info__text a { color: var(--text-secondary); font-size: 0.95rem; }
.contact-info__text a:hover { color: var(--primary); }

/* --- Scroll Animations --- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s 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; }

/* --- Responsive --- */
@media (max-width: 1024px) {
    .footer__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .section { padding: 60px 0; }
    .navbar__menu {
        display: none; position: absolute; top: 100%; left: 0; right: 0; height: calc(100vh - 72px);
        background: var(--bg); flex-direction: column; align-items: stretch; padding: 24px; gap: 4px;
        z-index: 10000; overflow-y: auto;
    }
    .navbar__menu.open { display: flex; }
    .navbar__burger { display: flex; }
    .navbar__actions .theme-toggle { width: 36px; height: 36px; border-radius: 8px; }
    .navbar__actions .theme-toggle svg { width: 18px; height: 18px; }
    .navbar__cta { margin-left: 0; margin-top: 16px; }
    .navbar__dropdown-menu {
        position: static; opacity: 1; visibility: visible; transform: none;
        box-shadow: none; border: none; padding: 0 0 0 16px; display: none;
    }
    .navbar__dropdown.open .navbar__dropdown-menu { display: block; }
    .footer__grid { grid-template-columns: 1fr; }
    .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
    .form-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}