/* Color Palette:
Primary Black: #111111
Accent Gold: #D4A017
White: #FFFFFF
Light Gray: #F5F5F5
*/

:root {
    --primary-black: #111111;
    --accent-gold: #D4A017;
    --white: #FFFFFF;
    --light-gray: #F5F5F5;
    --text-dark: #333333;
    --text-light: #EEEEEE;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--primary-black);
}

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

ul {
    list-style: none;
}

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

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

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--light-gray);
}

.bg-dark {
    background-color: var(--primary-black);
}

.bg-black {
    background-color: #000;
}

.text-white {
    color: var(--white);
}

.text-white h2, .text-white h3, .text-white h4, .text-white p {
    color: var(--white);
}

.text-center {
    text-align: center;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

.mt-4 {
    margin-top: 1.5rem;
}

.mt-5 {
    margin-top: 3rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.mb-4 {
    margin-bottom: 1.5rem;
}

.mb-5 {
    margin-bottom: 3rem;
}

.w-100 {
    width: 100%;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    max-width: 800px;
}

.title-underline {
    height: 3px;
    width: 80px;
    background-color: var(--primary-black);
    margin: 0 auto 2rem;
}

.title-underline.gold {
    background-color: var(--accent-gold);
}

.title-underline.align-left {
    margin-left: 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 4px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background-color: #b88a14;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

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

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

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(17, 17, 17, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    transition: var(--transition);
    padding: 15px 0;
}

header.scrolled {
    padding: 10px 0;
}

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

.logo h2 {
    font-size: 1.5rem;
    letter-spacing: 1px;
    margin: 0;
}

.header-logo {
    height: 90px;
    width: auto;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--white);
    position: relative;
    padding-bottom: 4px;
}

/* Underline base — hidden by default */
.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: width 0.3s ease;
}

/* Hover underline */
.nav-links a:not(.btn):hover::after {
    width: 100%;
}

/* Active section underline */
.nav-links a.active-nav {
    color: var(--accent-gold);
}

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

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

.nav-links a.btn {
    padding: 8px 20px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
}

.mobile-menu-btn span {
    width: 30px;
    height: 3px;
    background-color: var(--white);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 0 60px;
    margin-top: 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(17,17,17,0.7), rgba(17,17,17,0.4));
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 4rem;
    color: var(--white);
    margin-bottom: 1rem;
    letter-spacing: 4px;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent-gold);
    margin-bottom: 2rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.hero-desc {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

/* Approach Section */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.approach-card {
    background-color: var(--light-gray);
    padding: 40px 30px;
    border-radius: 8px;
    text-align: center;
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.approach-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-bottom-color: var(--accent-gold);
    background-color: var(--white);
}

.approach-card .icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.approach-card h3 {
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Portfolio Section */
.portfolio-item {
    display: flex;
    align-items: center;
    gap: 50px;
    margin-bottom: 80px;
}

.portfolio-item:last-child {
    margin-bottom: 0;
}

.portfolio-image {
    flex: 1;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

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

.portfolio-image:hover img {
    transform: scale(1.05);
}

/* Slider Styles */
.slider-container {
    position: relative;
    aspect-ratio: 4/3;
    width: 100%;
}

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

.slider-wrapper .slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.slider-wrapper .slide.active {
    opacity: 1;
    z-index: 2;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(17, 17, 17, 0.6);
    color: var(--white);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background-color: var(--accent-gold);
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}

.slider-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

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

.portfolio-content {
    flex: 1;
}

.portfolio-content h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.location {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 1.5rem;
}

.highlights-grid span {
    background-color: rgba(255,255,255,0.1);
    padding: 10px 15px;
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 600;
    border-left: 3px solid var(--accent-gold);
}

.portfolio-desc p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.styled-list {
    margin-top: 1rem;
}

.styled-list li {
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 20px;
    color: var(--text-light);
}

.styled-list li::before {
    content: "•";
    color: var(--accent-gold);
    position: absolute;
    left: 0;
    font-weight: bold;
    font-size: 1.2rem;
}

.portfolio-item.reverse {
    flex-direction: row-reverse;
}

/* About Section */
.about-grid {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-image {
    flex: 1;
}

.about-image img {
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.about-content {
    flex: 1;
}

.founder-name {
    font-size: 1.8rem;
    margin-bottom: 0.2rem;
}

.founder-title {
    color: var(--accent-gold);
    font-weight: 600;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content p {
    margin-bottom: 1rem;
}

/* Philosophy */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.philosophy-item {
    background-color: var(--light-gray);
    padding: 20px;
    border-radius: 6px;
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: var(--transition);
}

.philosophy-item:hover {
    background-color: var(--accent-gold);
    color: var(--white);
    transform: translateX(10px);
}

.philosophy-item .check {
    color: var(--accent-gold);
    font-weight: bold;
    font-size: 1.2rem;
}

.philosophy-item:hover .check {
    color: var(--white);
}

/* Contact Section */
.contact-container {
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-form {
    flex: 1;
    background-color: var(--white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.contact-detail a {
    color: var(--accent-gold);
}

.contact-detail a:hover {
    text-decoration: underline;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--primary-black);
    font-weight: 600;
    font-family: 'Montserrat', sans-serif;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: 'Open Sans', sans-serif;
    transition: var(--transition);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.2);
}

.form-message {
    text-align: center;
    font-weight: 600;
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-logo h3 {
    color: var(--white);
    letter-spacing: 2px;
}

.tagline-small {
    color: var(--accent-gold);
    font-style: italic;
}

/* Animations */
.animate-up, .fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.2s; }
.delay-2 { transition-delay: 0.4s; }
.delay-3 { transition-delay: 0.6s; }
.delay-4 { transition-delay: 0.8s; }
.delay-5 { transition-delay: 1.0s; }

/* Responsive */
@media (max-width: 992px) {
    .portfolio-item, .portfolio-item.reverse {
        flex-direction: column;
    }
    
    .about-grid, .contact-container {
        flex-direction: column;
    }
    
    .hero-title {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--primary-black);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 10px rgba(0,0,0,0.5);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease;
    }
    
    .nav-links.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-tagline {
        font-size: 1.2rem;
    }

    .header-logo {
        height: 60px;
    }
    
    .section {
        padding: 60px 0;
    }
}