/* Three Stars Investment Group - Design System */

:root {
    --navy: #0A1128;
    --charcoal: #1A1A1A;
    --platinum: #E5E5E5;
    --accent-gold: #D4AF37;
    --soft-white: #FDFDFD;
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --font-wide: 'Montserrat', sans-serif;
    --letter-ultra: 0.25em;
    --letter-editorial: 0.15em;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--soft-white);
    color: var(--charcoal);
    font-family: var(--font-sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    selection-background-color: rgba(212, 175, 55, 0.3);
}

/* Utilities */
.container-full {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 10%;
}

.italic { font-style: italic; }
.font-light { font-weight: 300; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; }
.tracking-ultra { letter-spacing: var(--letter-ultra); }
.tracking-editorial { letter-spacing: var(--letter-editorial); }
.text-navy { color: var(--navy); }
.text-gold { color: var(--accent-gold); }
.text-white { color: white; }

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 96px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: transparent;
    transition: var(--transition);
}

header.scrolled {
    background: var(--navy);
    height: 80px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

header .logo-img {
    max-height: 50px;
    filter: brightness(0) invert(1);
}

nav {
    display: flex;
    align-items: center;
    gap: 3rem;
}

nav a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--letter-ultra);
    transition: var(--transition);
}

nav a:hover {
    color: white;
}

.btn-consult {
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 12px 32px;
    color: white;
    transition: var(--transition);
}

.btn-consult:hover {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: var(--navy);
    overflow: hidden;
    padding-top: 160px;
	padding-bottom: 60px;
    text-align: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 17, 40, 0.4);
    z-index: 1;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('../images/hero-bg.png');
    background-attachment: fixed;
    background-position: center;
    background-size: cover;
    opacity: 0.8;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
}

.hero .pre-title {
    color: var(--accent-gold);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.4em;
    margin-bottom: 2rem;
    display: block;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    color: white;
    line-height: 1.1;
    margin-bottom: 2.5rem;
}

.hero h1 .italic {
    font-weight: 300;
}

.hero p {
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    color: rgba(255, 255, 255, 0.7);
    font-family: var(--font-wide);
    line-height: 2;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.btn-call {
    background: var(--accent-gold);
    color: var(--navy);
    padding: 16px 48px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    transition: var(--transition);
}

.btn-call:hover {
    background: white;
}

/* Marquee */
.marquee-row {
    background: var(--navy);
    padding: 80px 0;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.marquee-container {
    display: flex;
    width: 200%;
    animation: marquee 40s linear infinite;
}

.marquee-item {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 8rem;
    padding-right: 8rem;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.text-outline {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.3);
    color: transparent;
}

/* Who We Are */
.who-we-are {
    padding: 40px 10%;
    background-color: var(--soft-white);
}

.magazine-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 6rem;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 10vw, 5rem);
    line-height: 1.1;
    margin-bottom: 4rem;
}

.image-card {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--navy);
    overflow: hidden;
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(1);
    transition: transform 3s ease;
}

.image-card:hover img {
    transform: scale(1.1);
}

.who-text {
    padding-top: 80px;
}

.divider {
    width: 80px;
    height: 1px;
    background: var(--charcoal);
    margin-bottom: 3rem;
}

.lead-p {
    font-size: 1.125rem;
    color: rgba(26, 26, 26, 0.7);
    font-weight: 300;
}

.lead-p::first-letter {
    font-family: var(--font-serif);
    font-size: 3rem;
    float: left;
    margin-right: 12px;
    color: var(--navy);
}

.stats {
    display: grid;
    grid-cols: 2;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
}

.stat-item h4 {
    font-family: var(--font-serif);
    font-size: 1.875rem;
    color: var(--navy);
}

.stat-item p {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: var(--letter-ultra);
    color: rgba(0, 0, 0, 0.5);
    margin-top: 0.5rem;
}

/* Services */
.services {
    background: var(--charcoal);
    padding: 8rem 5%;
    color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

@media (max-width: 768px) {
    .services-grid { grid-template-columns: 1fr; }
    .magazine-grid { grid-template-columns: 1fr; }
}

.service-card {
    position: relative;
    height: 800px;
    overflow: hidden;
}

.service-card .bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transition: var(--transition);
    transform-origin: center;
}

.service-card:hover .bg {
    transform: scale(1.05);
}

.service-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, var(--charcoal), rgba(26, 26, 26, 0.1), transparent);
}

.service-content {
    position: absolute;
    bottom: 0;
    padding: 4rem;
    width: 100%;
    transform: translateY(32px);
    transition: var(--transition);
}

.service-card:hover .service-content {
    transform: translateY(0);
}

.service-content h3 {
    font-family: var(--font-serif);
    font-size: 3.75rem;
    font-style: italic;
    margin-bottom: 2rem;
}

.service-desc {
    opacity: 0;
    max-height: 0;
    font-weight: 300;
    transition: var(--transition);
}

.service-card:hover .service-desc {
    opacity: 0.7;
    max-height: 160px;
    margin-bottom: 2rem;
}

/* Footer */
footer {
    background: var(--navy);
    color: white;
    padding-top: 10rem;
    padding-bottom: 5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 6rem;
    margin-bottom: 8rem;
}

.footer-logo {
    max-height: 40px;
    opacity: 0.5;
    filter: brightness(0) invert(1);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group label {
    font-size: 9px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

.form-group input, .form-group textarea {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 0;
    color: white;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-gold);
}

.btn-submit {
    grid-column: span 2;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: white;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5em;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-submit:hover {
    background: white;
    color: var(--navy);
}

#whatsapp-fab {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    z-index: 1001;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
}

#whatsapp-fab.visible {
    opacity: 1;
    visibility: visible;
}

#whatsapp-fab:hover {
    transform: scale(1.1);
}