/* ============================================
   GOLDBLIN - MAIN STYLESHEET
   Dark gaming theme with gold accents
   ============================================ */

/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f17;
    --bg-card: #16161f;
    --bg-card-hover: #1c1c28;
    --border-color: #252535;
    --border-accent: #c9a43b;

    --text-primary: #e8e8ec;
    --text-secondary: #a0a0b0;
    --text-muted: #6b6b7b;

    --accent-gold: #c9a43b;
    --accent-gold-light: #e0c05a;
    --accent-gold-dark: #9e7e28;
    --accent-gold-glow: rgba(201, 164, 59, 0.3);

    --accent-silver: #c0c0c0;
    --accent-silver-light: #d8d8d8;

    --color-success: #4ade80;
    --color-danger: #f87171;

    /* Typography */
    --font-heading: 'Cinzel', serif;
    --font-body: 'Poppins', sans-serif;

    /* Spacing */
    --header-height: 70px;
    --section-padding: 100px 0;
    --container-padding: 0 1.5rem;

    /* Transitions */
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

/* ===== RESET & BASE ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

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

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

/* ===== UTILITY CLASSES ===== */
.text--gold {
    color: var(--accent-gold);
}

.section {
    padding: var(--section-padding);
}

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

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.section__subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    max-width: 550px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: #0a0a0f;
    border-color: var(--accent-gold);
    box-shadow: 0 4px 20px var(--accent-gold-glow);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-gold-glow);
    background: linear-gradient(135deg, var(--accent-gold-light), var(--accent-gold));
}

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

.btn--outline:hover {
    background: var(--accent-gold);
    color: #0a0a0f;
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--accent-gold-glow);
}

.btn--block {
    display: flex;
    width: 100%;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.btn--small {
    padding: 10px 20px;
    font-size: 0.85rem;
}

/* ===== HEADER / NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(201, 164, 59, 0.1);
    transition: all var(--transition);
}

.header--scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    border-bottom-color: rgba(201, 164, 59, 0.25);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav__logo-icon {
    font-size: 1.2rem;
}

.nav__logo-accent {
    color: var(--accent-gold);
}

.nav__logo-silver {
    color: var(--accent-silver);
}

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

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
    color: var(--accent-gold);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

/* Hamburger */
.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.nav__toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

.nav__toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.nav__toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav__toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(201, 164, 59, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 80%, rgba(201, 164, 59, 0.04) 0%, transparent 60%),
        linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(201, 164, 59, 0.015) 2px,
            rgba(201, 164, 59, 0.015) 4px
        );
    pointer-events: none;
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a43b' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    pointer-events: none;
}

.hero__content {
    position: relative;
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding-top: var(--header-height);
}

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(201, 164, 59, 0.1);
    border: 1px solid rgba(201, 164, 59, 0.25);
    border-radius: 50px;
    color: var(--accent-gold);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 28px;
    letter-spacing: 1px;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 6vw, 3.6rem);
    font-weight: 900;
    line-height: 1.25;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero__subtitle {
    color: var(--text-secondary);
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    z-index: 2;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--accent-gold), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--bg-secondary);
    position: relative;
}

.about__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about__text p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 16px;
    line-height: 1.8;
}

.about__text p:last-child {
    margin-bottom: 0;
}

.about__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.stat {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 16px;
    text-align: center;
    transition: all var(--transition);
}

.stat:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 0 25px rgba(201, 164, 59, 0.1);
    transform: translateY(-4px);
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 6px;
}

.stat__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== OFFER SECTION ===== */
.offer {
    background: var(--bg-primary);
}

.offer__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.offer__card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.offer__card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4), 0 0 30px rgba(201, 164, 59, 0.08);
}

.offer__card--featured {
    border-color: var(--accent-gold);
    box-shadow: 0 0 30px rgba(201, 164, 59, 0.1);
    position: relative;
}

.offer__card-badge {
    position: absolute;
    top: 16px;
    right: -30px;
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
    color: #0a0a0f;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 6px 40px;
    transform: rotate(45deg);
    letter-spacing: 1px;
    z-index: 1;
}

.offer__card--gold {
    border-color: rgba(201, 164, 59, 0.3);
}

.offer__card-header {
    padding: 28px 24px 16px;
    text-align: center;
}

.offer__icon {
    font-size: 2.2rem;
    display: block;
    margin-bottom: 12px;
}

.offer__card-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.offer__card-level {
    font-size: 0.9rem;
    color: var(--accent-gold);
    font-weight: 600;
}

.offer__card-body {
    padding: 0 24px 24px;
    flex: 1;
}

.offer__features {
    margin-bottom: 20px;
}

.offer__features li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.offer__features li:last-child {
    border-bottom: none;
}

.offer__price {
    text-align: center;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.offer__price-amount {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--accent-gold);
    line-height: 1;
}

.offer__price-currency {
    font-size: 1rem;
    font-family: var(--font-body);
    color: var(--text-secondary);
}

.offer__price-time,
.offer__price-per {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== WHY US SECTION ===== */
.why-us {
    background: var(--bg-secondary);
    position: relative;
}

.why-us__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.why-us__item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    transition: all var(--transition);
}

.why-us__item:hover {
    border-color: var(--accent-gold);
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.why-us__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.why-us__title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.why-us__text {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--bg-primary);
}

.contact__cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 700px;
    margin: 0 auto;
}

.contact__card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px 28px;
    text-align: center;
    transition: all var(--transition);
    position: relative;
}

.contact__card:hover {
    border-color: var(--accent-gold);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.contact__card-icon {
    color: var(--accent-gold);
    margin-bottom: 16px;
}

.contact__card-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.contact__card-value {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 16px;
    word-break: break-all;
}

.contact__card-link {
    color: var(--accent-gold);
    transition: color var(--transition);
}

.contact__card-link:hover {
    color: var(--accent-gold-light);
    text-decoration: underline;
}

.contact__card-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.contact__copy-feedback {
    display: none;
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent-gold);
    color: #0a0a0f;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    animation: fadeInOut 1.5s ease forwards;
}

.contact__copy-feedback.show {
    display: block;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
    20% { opacity: 1; transform: translateX(-50%) translateY(0); }
    80% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-10px); }
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
}

.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.footer__text {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.footer__copy {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin-bottom: 8px;
}

.footer__disclaimer {
    color: var(--text-muted);
    font-size: 0.7rem;
    opacity: 0.6;
    max-width: 500px;
    margin: 0 auto;
}

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

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */

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

    .why-us__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .about__stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Tablets */
@media (max-width: 768px) {
    :root {
        --section-padding: 70px 0;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(16, 16, 24, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 40px;
        transition: right var(--transition-slow);
        border-left: 1px solid var(--border-color);
    }

    .nav__menu.open {
        right: 0;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__link {
        font-size: 1.1rem;
    }

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

    .hero__buttons .btn {
        width: 80%;
        justify-content: center;
    }

    .offer__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .why-us__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .contact__cards {
        grid-template-columns: 1fr;
        max-width: 400px;
    }

    .about__stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 12px;
    }

    .stat {
        padding: 20px 10px;
    }

    .stat__number {
        font-size: 1.5rem;
    }

    .stat__label {
        font-size: 0.75rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .about__stats {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .offer__card-badge {
        font-size: 0.6rem;
        padding: 4px 30px;
        right: -35px;
    }

    .hero__scroll {
        display: none;
    }

    .footer__disclaimer {
        font-size: 0.65rem;
    }
}