/* 
    Gemorajewel - Premium Jewelry E-commerce Design System
    Colors: Gold, Black, White
*/

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&family=Inter:wght@300;400;600&display=swap');

:root {
    --primary-gold: #D4AF37;
    --dark-gold: #AF9134;
    --light-gold: #F4E0A1;
    --black: #111111;
    --dark-grey: #1a1a1a;
    --light-grey: #f5f5f5;
    --white: #ffffff;
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--black);
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-gold {
    background-color: var(--primary-gold);
    color: var(--white);
}

.btn-gold:hover {
    background-color: transparent;
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--primary-gold);
    color: var(--primary-gold);
}

.btn-outline:hover {
    background-color: var(--primary-gold);
    color: var(--white);
}

/* Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--white);
    padding: 15px 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

/* State for pages that start with a transparent header (e.g. index.html with hero) */
header.transparent-header:not(.scrolled) {
    background: transparent;
    padding: 30px 0;
    box-shadow: none;
    border-bottom: none;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(212, 175, 55, 0.1);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary-gold);
}

.logo img {
    height: 60px;
    width: 60px;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--primary-gold);
}

header.scrolled .logo img {
    height: 50px;
    width: 50px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    position: relative;
    padding: 5px 0;
    color: var(--black);
}

header.transparent-header:not(.scrolled) .nav-links a {
    color: var(--white);
}

header.scrolled .nav-links a {
    color: var(--black);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--primary-gold);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-gold);
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--black);
    transition: var(--transition);
}

header.transparent-header:not(.scrolled) .mobile-menu-toggle span {
    background-color: var(--white);
}

header.scrolled .mobile-menu-toggle span {
    background-color: var(--black);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../assets/images/hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
}

.hero-content h1 {
    font-size: 64px;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-content p {
    font-size: 18px;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 15px;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background-color: var(--primary-gold);
}

/* Collections Grid */
.collections-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.collection-item {
    position: relative;
    overflow: hidden;
    height: 400px;
}

.collection-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.collection-item:hover img {
    transform: scale(1.1);
}

.collection-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.3);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: var(--white);
}

/* Form Styles */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--light-grey);
    padding: 40px;
    border-radius: 8px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
}

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

.checkbox-group {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    margin-bottom: 30px;
}

.checkbox-group input {
    width: auto;
    margin-top: 5px;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-col h4 {
    color: var(--primary-gold);
    margin-bottom: 25px;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid #333;
    font-size: 14px;
}

/* Animations */
[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 992px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: 0.5s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 40px;
    }
}