/* =========================================
   01 Grand Opening (Kurumsal Açılış)
   ========================================= */

:root {
    --brand-red: #C8102E;
    --brand-dark: #1A1A1A;
    --brand-gold: #D4AF37;
    --brand-gray: #F5F5F5;
    --white: #FFFFFF;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--brand-gray);
    color: var(--brand-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.opening-wrapper {
    position: relative;
    width: 100%;
}

/* Red Ribbon Effect */
.ribbon-top {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 8px;
    background: linear-gradient(90deg, #A0001D 0%, var(--brand-red) 50%, #A0001D 100%);
    z-index: 100;
    box-shadow: 0 2px 10px rgba(200, 16, 46, 0.5);
}

/* Hero Section */
.opening-hero {
    position: relative;
    z-index: 2;
    min-height: 90vh;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 50px 20px 100px;
    background-color: var(--white);
}

.hero-content {
    max-width: 700px;
    z-index: 2;
}

.opening-eyebrow {
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 5px;
    color: var(--brand-red);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.names {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 700;
    color: var(--brand-dark);
    line-height: 1.1;
    margin-bottom: 25px;
}

.elegant-line {
    width: 100px;
    height: 3px;
    background-color: var(--brand-gold);
    margin: 0 auto 30px;
}

.tagline {
    font-size: 1.1rem;
    font-weight: 300;
    color: #444;
    margin-bottom: 40px;
}

.brand-logo {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 80px; height: 80px;
    background-color: var(--brand-dark);
    border-radius: 50%;
    color: var(--brand-gold);
    font-size: 2.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.diagonal-bg {
    position: absolute;
    bottom: 0; left: 0; width: 100%; height: 150px;
    background-color: var(--brand-dark);
    clip-path: polygon(0 40%, 100% 0, 100% 100%, 0% 100%);
    z-index: 1;
}

/* Details Section */
.opening-details {
    position: relative;
    z-index: 3;
    padding: 80px 5%;
    background-color: var(--brand-dark);
}

.details-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    max-width: 900px;
    margin: 0 auto;
}

.opening-card {
    flex: 1;
    min-width: 280px;
    background-color: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 50px 30px;
    text-align: center;
    transition: all 0.3s ease;
}
.opening-card:hover {
    background-color: rgba(255,255,255,0.05);
    border-color: var(--brand-gold);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 3rem;
    color: var(--brand-gold);
    margin-bottom: 20px;
}

.opening-card h2 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 3px;
    color: #888;
    margin-bottom: 10px;
}

.highlight {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--white);
    margin-bottom: 15px;
}

.opening-card p {
    color: #CCC;
    font-weight: 300;
}

.btn-opening {
    display: inline-block;
    padding: 12px 25px;
    background-color: transparent;
    border: 1px solid var(--brand-gold);
    color: var(--brand-gold);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-top: 25px;
    transition: all 0.3s ease;
}
.btn-opening:hover {
    background-color: var(--brand-gold);
    color: var(--brand-dark);
}

/* RSVP Section */
.opening-rsvp {
    position: relative;
    z-index: 3;
    padding: 100px 5%;
    display: flex;
    justify-content: center;
    background-color: var(--brand-gray);
}

.rsvp-content {
    background-color: var(--white);
    padding: 60px 50px;
    max-width: 650px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
    border-top: 4px solid var(--brand-red);
}

.rsvp-content h2 {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--brand-dark);
    margin-bottom: 15px;
}
.rsvp-content p {
    font-weight: 300;
    margin-bottom: 30px;
    color: #555;
}

.opening-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.opening-form input,
.opening-form select {
    padding: 15px;
    background-color: var(--brand-gray);
    border: 1px solid #E0E0E0;
    color: var(--brand-dark);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    outline: none;
    transition: border-color 0.3s ease;
}
.opening-form input:focus,
.opening-form select:focus {
    border-color: var(--brand-red);
}

.btn-opening-solid {
    padding: 15px;
    background-color: var(--brand-dark);
    color: var(--white);
    border: none;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}
.btn-opening-solid:hover {
    background-color: var(--brand-red);
}

.form-message {
    margin-top: 20px;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    color: var(--brand-red);
}

.opening-footer {
    position: relative;
    z-index: 3;
    background-color: var(--white);
    text-align: center;
    padding: 30px;
    font-size: 0.8rem;
    color: #999;
}
.opening-footer a {
    color: var(--brand-red);
    text-decoration: none;
}

/* Responsive */
@media (max-width: 600px) {
    .names { font-size: 3rem; }
    .rsvp-content { padding: 40px 20px; }
}

/* Logo Area */
.company-logo-area {
    margin-bottom: 30px;
    display: flex;
    justify-content: center;
}
.sample-logo-img {
    max-width: 150px;
    height: auto;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

/* Program Flow */
.program-flow-section {
    position: relative;
    z-index: 5;
    padding: 80px 5%;
    background-color: rgba(255, 255, 255, 0.03);
}
.program-container {
    max-width: 800px;
    margin: 0 auto;
}
.program-title {
    font-size: 2.5rem;
    margin-bottom: 50px;
    font-weight: 700;
    text-align: center;
    letter-spacing: 2px;
}
.program-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.timeline-item {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 5px solid #888;
    transition: transform 0.3s ease;
    backdrop-filter: blur(5px);
}
.timeline-item:hover {
    transform: translateX(10px);
    border-left-color: #555;
}
.timeline-item .time {
    font-size: 1.8rem;
    font-weight: 700;
    width: 120px;
    text-align: left;
    border-right: 1px solid rgba(128,128,128,0.2);
    margin-right: 30px;
    color: inherit;
}
.timeline-item .event {
    flex: 1;
    text-align: left;
}
.timeline-item .event h3 {
    font-size: 1.3rem;
    margin-bottom: 5px;
    font-weight: 600;
}
.timeline-item .event p {
    font-size: 0.95rem;
    opacity: 0.8;
}

@media (max-width: 600px) {
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .timeline-item .time {
        border-right: none;
        border-bottom: 1px solid rgba(128,128,128,0.2);
        margin-right: 0;
        margin-bottom: 15px;
        padding-bottom: 10px;
        width: 100%;
    }
}