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

html {
    scroll-behavior: smooth;
}

/* =========================
   BODY / BACKGROUND
========================= */
body {
    font-family: 'Georgia', serif;
    font-size: 19px;
    line-height: 1.8;
    letter-spacing: 0.2px;
    color: #e8e8e8;

    background:
        radial-gradient(circle at 20% 10%, rgba(80, 90, 160, 0.25), transparent 40%),
        radial-gradient(circle at 80% 90%, rgba(120, 60, 160, 0.25), transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(255,255,255,0.04), transparent 60%),
        #06070c;

    overflow-x: hidden;
    position: relative;
}

/* subtle noise */
body::after {
    content: "";
    position: fixed;
    inset: 0;
    background-image: url("https://www.transparenttextures.com/patterns/noise.png");
    opacity: 0.035;
    pointer-events: none;
    z-index: 0;
}

/* =========================
   CONTAINER
========================= */
.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* =========================
   TYPOGRAPHY
========================= */
h1, h2, h3 {
    font-weight: 600;
    letter-spacing: 0.5px;
}

h1 {
    font-size: 3.2rem;
}

h2 {
    font-size: 2.1rem;
    margin-bottom: 1.2rem;
}

h2::after {
    content: "";
    display: block;
    width: 70px;
    height: 2px;
    background: linear-gradient(90deg, #d4af37, transparent);
    margin-top: 10px;
}

p {
    color: #d6d6d6;
    margin-bottom: 1.6rem;
}

/* =========================
   GOLD TEXT
========================= */
.gold {
    background: linear-gradient(120deg, #d4af37, #ffd700, #d4af37);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 6s linear infinite;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.35);
}

@keyframes shimmer {
    0% { background-position: 200% center; }
    100% { background-position: -200% center; }
}

/* =========================
   HERO
========================= */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;

    background: radial-gradient(circle at center, rgba(255,255,255,0.05), transparent 70%);
}

.hero::before {
    content: "";
    position: absolute;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(212,175,55,0.18), transparent 70%);
    top: -150px;
    left: 50%;
    transform: translateX(-50%);
    filter: blur(60px);
}

.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(white 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.04;
}

.hero-content {
    max-width: 720px;
    margin: 0 auto;
    z-index: 2;
}

.hero p {
    margin: 1.5rem 0;
    font-size: 1.25rem;
}

/* =========================
   BUTTON
========================= */
.btn {
    display: inline-block;
    padding: 0.9rem 1.8rem;
    margin: 0.5rem;

    background: linear-gradient(45deg, #d4af37, #ffd700);
    color: #111;
    border-radius: 40px;
    text-decoration: none;
    font-weight: bold;

    transition: all 0.3s ease;
    box-shadow: 0 8px 30px rgba(212,175,55,0.35);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: 0.6s;
}

.btn:hover::before {
    left: 100%;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(212,175,55,0.6);
}

/* =========================
   SECTION
========================= */
.section {
    padding: 5rem 0;
    position: relative;
}

.section:nth-child(even) {
    background: linear-gradient(180deg, rgba(255,255,255,0.025), transparent);
}

/* =========================
   EMAIL
========================= */
.email-box {
    margin-top: 2rem;
}

.email-box input {
    padding: 0.9rem 1rem;
    border-radius: 25px;
    width: 260px;
    margin-right: 10px;

    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(10px);
    color: #fff;
}

.email-box input::placeholder {
    color: #aaa;
}

.email-box button {
    padding: 0.9rem 1.6rem;
    border-radius: 25px;
    border: none;

    background: linear-gradient(45deg, #d4af37, #ffd700);
    color: #111;
    font-weight: bold;

    cursor: pointer;
    transition: 0.3s;
}

.email-box button:hover {
    transform: translateY(-2px);
}

/* =========================
   IMAGE
========================= */
.cover {
    max-width: 320px;
    margin: 2rem auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 25px 60px rgba(0,0,0,0.7);
    transition: 0.4s;
}

.cover:hover {
    transform: scale(1.05);
}

.author-img {
    width: 100%;
    max-width: 420px;
    margin: 0 auto 2rem auto;
    display: block;

    border-radius: 12px;
    filter: contrast(1.05) brightness(0.95);
    box-shadow: 0 30px 80px rgba(0,0,0,0.7);
}

/* =========================
   GRID
========================= */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* =========================
   FOOTER
========================= */
footer {
    text-align: center;
    padding: 3rem 0;
    color: #888;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255,255,255,0.05);
}

/* =========================
   MOBILE
========================= */
@media (max-width: 768px) {
    h1 {
        font-size: 2.3rem;
    }

    .hero {
        padding: 2rem;
        min-height: 90vh;
    }

    .email-box input {
        width: 100%;
        margin-bottom: 10px;
    }
}