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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: #064e3b;
    color: #f5e6d3;
}

/* ========== Hero Gradient ========== */
.hero-gradient {
    background: linear-gradient(
        135deg,
        #022c22 0%,
        #064e3b 25%,
        #047857 50%,
        #065f46 75%,
        #022c22 100%
    );
}

/* ========== Hero Animations ========== */
.hero-subtitle {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.3s;
}

.hero-headline {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.5s;
}

.hero-desc {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.7s;
}

.hero-cta {
    opacity: 0;
    animation: fadeUp 0.8s ease forwards 0.9s;
}

.hero-scroll {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 1.3s;
}

.hero-line {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.hero-line:nth-child(1) { animation-delay: 0.5s; }
.hero-line:nth-child(2) { animation-delay: 0.7s; }
.hero-line:nth-child(3) { animation-delay: 0.6s; }
.hero-line:nth-child(4) { animation-delay: 0.8s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scrollLine {
    0% {
        transform: scaleY(0);
        transform-origin: top;
    }
    50% {
        transform: scaleY(1);
        transform-origin: top;
    }
    51% {
        transform-origin: bottom;
    }
    100% {
        transform: scaleY(0);
        transform-origin: bottom;
    }
}

.hero-scroll-line {
    animation: scrollLine 2s ease-in-out infinite;
}

/* ========== Navbar ========== */
#navbar {
    background: transparent;
}

#navbar.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(6, 78, 59, 0.08);
}

.nav-logo {
    color: #064e3b;
}

#navbar.scrolled .nav-logo {
    color: #064e3b;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #d4a373;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

/* ========== Section Labels ========== */
.section-label {
    position: relative;
    display: inline-block;
}

.section-label::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    width: 12px;
    height: 1px;
    background: #d4a373;
}

/* ========== Scroll Reveal ========== */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transform: none;
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        opacity: 0;
        transform: translateY(40px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal-left {
        opacity: 0;
        transform: translateX(-40px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal-right {
        opacity: 0;
        transform: translateX(40px);
        transition: opacity 0.8s ease, transform 0.8s ease;
    }
    
    .reveal-up.visible,
    .reveal-left.visible,
    .reveal-right.visible {
        opacity: 1;
        transform: translate(0, 0);
    }
}

/* ========== Mobile Menu ========== */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-link {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-link {
    opacity: 1;
    transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-link:nth-child(5) { transition-delay: 0.3s; }

/* ========== Menu Toggle ========== */
.menu-line {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

.menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 24px;
}

/* ========== Image Hover ========== */
img {
    transition: opacity 0.5s ease;
}

img:hover {
    opacity: 0.95;
}

/* ========== Thin Lines Decoration ========== */
.divider-line {
    width: 60px;
    height: 1px;
    background: linear-gradient(to right, #d4a373, transparent);
}

/* ========== Smooth Image Loading ========== */
img {
    background: #f5e6d3;
}

/* ========== Focus Styles ========== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid #064e3b;
    outline-offset: 4px;
    border-radius: 2px;
}

/* ========== Mobile Responsive ========== */
@media (max-width: 768px) {
    .section-label::before {
        display: none;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .hero-headline span {
        display: block;
    }
}