/* ===== 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 {
    background-color: #0f172a;
    color: #f8fafc;
    font-family: 'Outfit', sans-serif;
    line-height: 1.6;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #0f172a;
}
::-webkit-scrollbar-thumb {
    background: #14b8a6;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #2dd4bf;
}

/* ===== Animations ===== */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes float-delayed {
    0%, 100% { transform: translateY(0px) rotate(45deg); }
    50% { transform: translateY(-15px) rotate(50deg); }
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}

@keyframes dot {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

@keyframes dot-delayed {
    0%, 100% { opacity: 0.6; transform: scale(1.2); }
    50% { opacity: 0.3; transform: scale(0.8); }
}

@keyframes bounce-slow {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* ===== Utility Animations ===== */
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delayed { animation: float-delayed 5s ease-in-out infinite 1s; }
.animate-pulse-slow { animation: pulse-slow 4s ease-in-out infinite; }
.animate-dot { animation: dot 3s ease-in-out infinite; }
.animate-dot-delayed { animation: dot-delayed 2.5s ease-in-out infinite 0.5s; }
.animate-bounce-slow { animation: bounce-slow 2s ease-in-out infinite; }

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.revealed {
    opacity: 1;
    transform: scale(1);
}

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    color: #f8fafc;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.3);
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(20, 184, 166, 0.4);
    background: linear-gradient(135deg, #2dd4bf 0%, #14b8a6 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: #f8fafc;
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid rgba(248, 250, 252, 0.2);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.btn-secondary:hover {
    border-color: #14b8a6;
    color: #2dd4bf;
    background: rgba(20, 184, 166, 0.1);
    transform: translateY(-2px);
}

/* ===== Product Cards ===== */
.product-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-blur-sm;
    border: 1px solid rgba(51, 65, 85, 0.5);
    border-radius: 20px;
    padding: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(20, 184, 166, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3), 0 0 40px rgba(20, 184, 166, 0.1);
}

/* ===== Testimonial Cards ===== */
.testimonial-card {
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

/* ===== Navbar ===== */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

#navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-blur-xl;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* ===== Mobile Menu ===== */
.menu-line {
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}

#menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav-link {
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
}

.mobile-nav-link:last-child {
    border-bottom: none;
}

/* ===== Back to Top ===== */
.back-to-top {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: none;
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(20, 184, 166, 0.4);
}

/* ===== Focus Styles ===== */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
    outline: 2px solid #14b8a6;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ===== Selection ===== */
::selection {
    background: rgba(20, 184, 166, 0.3);
    color: #f8fafc;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .font-playfair {
        font-size: clamp(2rem, 8vw, 3rem) !important;
    }
    
    #hero h1 {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }
}