/* ========================================================================
   GIFTAWEB — Design System
   A handcrafted digital gift experience
   Palette: Soft pinks, peach, cream, rose — romantic & dreamy
   Typography: Playfair Display, Inter, Dancing Script
   ======================================================================== */

/* ----- Google Fonts Import ----- */
@import url('https://fonts.googleapis.com/css2?family=Dancing+Script:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500;1,600&display=swap');

/* ----- CSS Custom Properties ----- */
:root {
    /* Primary Romantic Palette */
    --blush: #FFD6E0;
    --blush-light: #FFE8EE;
    --blush-deep: #FFC2D1;
    --peach: #FFECD2;
    --peach-light: #FFF4E6;
    --cream: #FFF8F0;
    --cream-warm: #FFF5EB;
    --rose: #FF8FAB;
    --rose-deep: #E8567F;
    --rose-soft: #FFB3C6;
    --lavender: #E8D5F5;
    --lavender-light: #F3EAFF;
    --gold-soft: #F2C572;
    --gold-warm: #E8B04A;
    --mint-soft: #D4F0E7;

    /* Neutrals */
    --white: #FFFFFF;
    --white-warm: #FFFCF9;
    --text-dark: #2D1B30;
    --text-medium: #5A3D5E;
    --text-muted: #7A6B7D;
    --text-light: #A89AAB;
    --border-soft: rgba(255, 143, 171, 0.15);
    --border-blush: rgba(255, 214, 224, 0.5);

    /* Gradients */
    --gradient-hero: radial-gradient(ellipse at 30% 20%, #FFE8EE 0%, #FFECD2 35%, #FFF8F0 70%, #FFFFFF 100%);
    --gradient-hero-overlay: linear-gradient(180deg, rgba(255,248,240,0) 0%, rgba(255,248,240,0.6) 80%, rgba(255,248,240,1) 100%);
    --gradient-rose: linear-gradient(135deg, #FF8FAB 0%, #E8567F 100%);
    --gradient-peach: linear-gradient(135deg, #FFECD2 0%, #FFD6E0 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #FFF8F0 50%, #FFE8EE 100%);
    --gradient-cta: linear-gradient(135deg, #FF8FAB 0%, #E8567F 50%, #D4467A 100%);
    --gradient-section: linear-gradient(180deg, #FFF8F0 0%, #FFE8EE 50%, #FFF8F0 100%);
    --gradient-lavender: linear-gradient(135deg, #F3EAFF 0%, #E8D5F5 100%);

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-handwritten: 'Dancing Script', cursive;

    /* Sizing */
    --max-width: 1200px;
    --max-width-narrow: 800px;
    --section-padding: 8rem 0;

    /* Shadows — soft, romantic */
    --shadow-soft: 0 4px 20px rgba(232, 86, 127, 0.08);
    --shadow-card: 0 8px 32px rgba(232, 86, 127, 0.1), 0 2px 8px rgba(0,0,0,0.04);
    --shadow-card-hover: 0 16px 48px rgba(232, 86, 127, 0.15), 0 4px 16px rgba(0,0,0,0.06);
    --shadow-glow-rose: 0 0 40px rgba(255, 143, 171, 0.2);
    --shadow-glow-gold: 0 0 30px rgba(242, 197, 114, 0.15);
    --shadow-polaroid: 4px 6px 20px rgba(45, 27, 48, 0.12);
    --shadow-nav: 0 4px 30px rgba(232, 86, 127, 0.08);
    --shadow-button: 0 6px 24px rgba(232, 86, 127, 0.3);
    --shadow-button-hover: 0 8px 32px rgba(232, 86, 127, 0.45);

    /* Transitions */
    --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-elegant: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-round: 50%;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--cream);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

::selection {
    background: rgba(255, 143, 171, 0.3);
    color: var(--text-dark);
}

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

a {
    color: var(--rose-deep);
    text-decoration: none;
    transition: color 0.3s var(--ease-smooth);
}

a:hover {
    color: var(--rose);
}

/* ----- Container ----- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* ----- Section Base ----- */
.section {
    position: relative;
    padding: var(--section-padding);
    overflow: hidden;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 1.5vw, 1.15rem);
    color: var(--text-muted);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
    line-height: 1.8;
    font-weight: 300;
}

.section-label {
    font-family: var(--font-handwritten);
    font-size: 1.3rem;
    color: var(--rose);
    text-align: center;
    margin-bottom: 0.5rem;
    display: block;
}

/* ----- Decorative Elements ----- */
.deco-flower {
    position: absolute;
    pointer-events: none;
    opacity: 0.15;
    font-size: 3rem;
    z-index: 0;
}

.deco-heart {
    position: absolute;
    pointer-events: none;
    color: var(--rose-soft);
    opacity: 0.12;
    z-index: 0;
}

.deco-dot {
    width: 6px;
    height: 6px;
    background: var(--rose-soft);
    border-radius: 50%;
    position: absolute;
    opacity: 0.3;
}

/* Paper texture overlay */
.paper-texture {
    position: relative;
}

.paper-texture::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

/* Washi tape decoration */
.washi-tape {
    position: absolute;
    width: 120px;
    height: 30px;
    background: var(--peach);
    opacity: 0.7;
    transform: rotate(-5deg);
    border-radius: 2px;
    z-index: 2;
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 10px,
        rgba(255,255,255,0.3) 10px,
        rgba(255,255,255,0.3) 12px
    );
}

.washi-tape.pink {
    background-color: var(--blush);
}

.washi-tape.lavender {
    background-color: var(--lavender);
}

/* ===========================
   SCRAPBOOK NAVIGATION
   A handcrafted, paper-inspired nav
   =========================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 10000;
    padding: 0.8rem 0;
    transition: all 0.5s var(--ease-elegant);
    background: transparent;
}

.main-nav.scrolled {
    background: rgba(255, 248, 240, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 0.5rem 0;
    box-shadow: var(--shadow-nav);
    border-bottom: 2px solid var(--blush-light);
    /* Scrapbook torn-edge effect via border-image */
}

.main-nav.scrolled::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 6px;
    background: repeating-linear-gradient(
        90deg,
        var(--blush-light) 0px,
        var(--blush-light) 8px,
        transparent 8px,
        transparent 12px
    );
    opacity: 0.5;
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo styled like a handwritten note */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
    position: relative;
}

.nav-logo-icon {
    font-size: 1.4rem;
    color: var(--rose);
    animation: heartbeat 2s ease-in-out infinite;
}

.nav-logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 0.02em;
}

.nav-logo-accent {
    font-family: var(--font-handwritten);
    font-size: 0.7rem;
    color: var(--rose);
    position: absolute;
    bottom: -8px;
    right: -10px;
    transform: rotate(-8deg);
}

/* Nav links styled like scrapbook tabs */
.nav-links {
    display: flex;
    gap: 0.3rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-medium);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    position: relative;
    transition: all 0.3s var(--ease-smooth);
    letter-spacing: 0.02em;
}

.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--radius-sm);
    background: var(--blush-light);
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
    z-index: -1;
}

.nav-link:hover,
.nav-link.active {
    color: var(--rose-deep);
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
}

.nav-link.active {
    font-weight: 600;
}

/* Instagram CTA in nav — like a cute sticker */
.nav-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--gradient-cta);
    color: var(--white);
    padding: 0.55rem 1.2rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s var(--ease-smooth);
    box-shadow: var(--shadow-button);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-button-hover);
    color: var(--white);
}

.nav-cta:hover::before {
    opacity: 1;
}

.nav-cta-icon {
    font-size: 1rem;
}

/* Mobile nav toggle — like a decorated button */
.nav-toggle {
    display: none;
    background: none;
    border: 2px solid var(--blush);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 10001;
    width: 42px;
    height: 36px;
    position: relative;
    transition: all 0.3s var(--ease-smooth);
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--rose-deep);
    margin: 4px auto;
    transition: all 0.3s var(--ease-smooth);
    border-radius: 2px;
}

.nav-toggle.active {
    border-color: var(--rose);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Mobile Nav Overlay — like opening a scrapbook */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, var(--cream) 0%, var(--blush-light) 70%, var(--peach-light) 100%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s var(--ease-elegant);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.mobile-nav-link {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--text-dark);
    text-decoration: none;
    letter-spacing: 0.02em;
    transition: all 0.3s;
    transform: translateY(30px);
    opacity: 0;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
}

.mobile-nav-overlay.active .mobile-nav-link {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-overlay.active .mobile-nav-link:nth-child(1) { transition: all 0.5s var(--ease-spring) 0.1s; }
.mobile-nav-overlay.active .mobile-nav-link:nth-child(2) { transition: all 0.5s var(--ease-spring) 0.15s; }
.mobile-nav-overlay.active .mobile-nav-link:nth-child(3) { transition: all 0.5s var(--ease-spring) 0.2s; }
.mobile-nav-overlay.active .mobile-nav-link:nth-child(4) { transition: all 0.5s var(--ease-spring) 0.25s; }
.mobile-nav-overlay.active .mobile-nav-link:nth-child(5) { transition: all 0.5s var(--ease-spring) 0.3s; }
.mobile-nav-overlay.active .mobile-nav-link:nth-child(6) { transition: all 0.5s var(--ease-spring) 0.35s; }

.mobile-nav-link:hover {
    color: var(--rose-deep);
    background: var(--blush-light);
}

.mobile-nav-cta {
    margin-top: 1.5rem;
}

/* Scroll Progress — rose-colored */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(255, 214, 224, 0.3);
    z-index: 10001;
}

.scroll-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-rose);
    transition: width 0.1s linear;
    border-radius: 0 3px 3px 0;
}

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-body);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-smooth);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-cta);
    color: var(--white);
    padding: 1rem 2.2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    box-shadow: var(--shadow-button);
    letter-spacing: 0.02em;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 30%,
        rgba(255,255,255,0.15) 50%,
        transparent 70%
    );
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-button-hover);
    color: var(--white);
}

.btn-primary:hover::after {
    transform: translateX(100%);
}

.btn-secondary {
    background: transparent;
    color: var(--rose-deep);
    padding: 0.9rem 2rem;
    border-radius: 50px;
    font-size: 0.9rem;
    border: 2px solid var(--blush-deep);
    letter-spacing: 0.02em;
}

.btn-secondary:hover {
    background: var(--blush-light);
    border-color: var(--rose);
    transform: translateY(-2px);
    color: var(--rose-deep);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: var(--white);
    padding: 1rem 2.2rem;
    border-radius: 50px;
    font-size: 0.95rem;
    box-shadow: 0 6px 24px rgba(220, 39, 67, 0.3);
    letter-spacing: 0.02em;
}

.btn-instagram:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 36px rgba(220, 39, 67, 0.45);
    color: var(--white);
}

/* ===========================
   PARTICLES CANVAS
   =========================== */
.particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* ===========================
   PRELOADER
   =========================== */
.preloader {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: var(--cream);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    transition: opacity 0.8s var(--ease-elegant), visibility 0.8s;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

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

.preloader-hearts {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.preloader-heart {
    color: var(--rose);
    animation: preloaderHeartBeat 1.2s ease-in-out infinite;
}

.preloader-heart:nth-child(2) { animation-delay: 0.2s; }
.preloader-heart:nth-child(3) { animation-delay: 0.4s; }

@keyframes preloaderHeartBeat {
    0%, 100% { transform: scale(0.8); opacity: 0.4; }
    50% { transform: scale(1.2); opacity: 1; }
}

.preloader-text {
    font-family: var(--font-handwritten);
    font-size: 1.4rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.preloader-bar {
    width: 180px;
    height: 3px;
    background: var(--blush-light);
    margin: 0 auto;
    border-radius: 3px;
    overflow: hidden;
}

.preloader-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--gradient-rose);
    border-radius: 3px;
    animation: preloaderFill 2s var(--ease-elegant) forwards;
}

@keyframes preloaderFill {
    to { width: 100%; }
}

/* ===========================
   FOOTER
   =========================== */
.site-footer {
    position: relative;
    z-index: 2;
    padding: 3rem 0 2rem;
    background: var(--cream-warm);
    text-align: center;
    border-top: 2px dashed var(--blush);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    font-family: var(--font-handwritten);
    font-size: 1rem;
    color: var(--rose);
    margin-bottom: 1.5rem;
}

.footer-text {
    font-size: 0.8rem;
    color: var(--text-light);
    line-height: 1.6;
}

.footer-hearts {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--rose-soft);
    letter-spacing: 0.5em;
}

.footer-back-to-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--blush-light);
    color: var(--rose-deep);
    font-size: 1.2rem;
    text-decoration: none;
    margin-bottom: 1.5rem;
    transition: all 0.3s var(--ease-smooth);
    border: 2px solid var(--blush);
}

.footer-back-to-top:hover {
    background: var(--rose);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: var(--shadow-button);
    border-color: var(--rose);
}

.footer-instagram {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--rose-deep);
    text-decoration: none;
    margin-bottom: 1.5rem;
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    border: 2px solid var(--blush);
    transition: all 0.3s var(--ease-smooth);
}

.footer-instagram:hover {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: var(--white);
    border-color: transparent;
    transform: translateY(-2px);
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    .nav-cta.desktop-only {
        display: none;
    }
    .nav-toggle {
        display: block;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 1.25rem;
    }

    .section {
        padding: 5rem 0;
    }

    .section-title {
        font-size: clamp(1.6rem, 5vw, 2.4rem);
    }

    .section-subtitle {
        margin-bottom: 2.5rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 4rem 0;
    }

    .nav-logo-text {
        font-size: 1.2rem;
    }

    .btn-primary, .btn-instagram {
        padding: 0.85rem 1.8rem;
        font-size: 0.85rem;
    }
}