/* ==========================================================================
   WHITE FLOW - Pracownia Projektowa
   Architekt: Łukasz Sterniczuk
   ========================================================================== */

:root {
    --color-white: #ffffff;
    --color-cream: #faf9f7;
    --color-charcoal: #1a1a1a;
    --color-gray: #6b6b6b;
    --color-light-gray: #e8e6e3;
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Outfit', -apple-system, sans-serif;
    --letter-spacing-wide: 0.35em;
    --letter-spacing-medium: 0.2em;
    --transition-smooth: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-cream);
    color: var(--color-charcoal);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Selection styling */
::selection {
    background-color: var(--color-charcoal);
    color: var(--color-white);
}

/* Subtle grain texture overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: 0.015;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    z-index: 9999;
}

/* Hero Section
   ========================================================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image: url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    animation: heroZoom 20s ease-out forwards;
}

@keyframes heroZoom {
    to {
        transform: scale(1);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(20, 20, 20, 0.75) 0%,
        rgba(40, 40, 40, 0.65) 50%,
        rgba(30, 30, 30, 0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: var(--color-white);
    padding: 2rem;
}

.hero-subtitle {
    font-family: var(--font-body);
    font-size: clamp(0.75rem, 1.5vw, 0.9rem);
    font-weight: 300;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s var(--transition-smooth) 0.3s forwards;
}

.hero-subtitle:last-of-type {
    margin-bottom: 1.5rem;
    animation-delay: 0.5s;
}

.hero-title {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 0.9;
}

.hero-title .white,
.hero-title .flow {
    display: block;
    letter-spacing: 0.02em;
    opacity: 0;
    transform: translateY(40px);
}

.hero-title .white {
    font-size: clamp(5rem, 20vw, 14rem);
    font-weight: 600;
    animation: fadeUp 1.2s var(--transition-smooth) 0.7s forwards;
}

.hero-title .flow {
    font-size: clamp(5rem, 20vw, 14rem);
    font-style: italic;
    font-weight: 300;
    animation: fadeUp 1.2s var(--transition-smooth) 0.9s forwards;
}

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

/* Scroll Indicator
   ========================================================================== */
.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    opacity: 0;
    animation: fadeUp 1s var(--transition-smooth) 1.5s forwards;
}

.scroll-indicator::before {
    content: '';
    display: block;
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-white), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* Contact Section
   ========================================================================== */
.contact {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem;
    background-color: var(--color-cream);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 120px;
    background: linear-gradient(to bottom, var(--color-light-gray), transparent);
}

.contact-inner {
    text-align: center;
    max-width: 600px;
}

.architect-name {
    font-family: var(--font-body);
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 500;
    letter-spacing: var(--letter-spacing-medium);
    text-transform: uppercase;
    color: var(--color-charcoal);
    margin-bottom: 0.5rem;
}

.architect-title {
    font-family: var(--font-body);
    font-size: clamp(0.85rem, 2vw, 1rem);
    font-weight: 300;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 4rem;
}

.contact-label {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 400;
    letter-spacing: var(--letter-spacing-wide);
    text-transform: uppercase;
    color: var(--color-gray);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.contact-label::before,
.contact-label::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background-color: var(--color-light-gray);
}

.contact-label::before {
    right: calc(100% + 1rem);
}

.contact-label::after {
    left: calc(100% + 1rem);
}

.contact-phone {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3.5rem);
    font-weight: 400;
    letter-spacing: 0.05em;
    color: var(--color-charcoal);
    margin-bottom: 1rem;
    transition: color 0.3s ease;
}

.contact-phone a {
    color: inherit;
    text-decoration: none;
    position: relative;
}

.contact-phone a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-charcoal);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s var(--transition-smooth);
}

.contact-phone a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.contact-email {
    font-family: var(--font-body);
    font-size: clamp(0.8rem, 2vw, 1rem);
    font-weight: 400;
    letter-spacing: var(--letter-spacing-medium);
    text-transform: uppercase;
    color: var(--color-gray);
}

.contact-email a {
    color: inherit;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.contact-email a:hover {
    color: var(--color-charcoal);
}

/* Footer
   ========================================================================== */
.footer {
    padding: 2rem;
    text-align: center;
    background-color: var(--color-cream);
    border-top: 1px solid var(--color-light-gray);
}

.footer-text {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 300;
    letter-spacing: var(--letter-spacing-medium);
    text-transform: uppercase;
    color: var(--color-gray);
}

/* Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .hero {
        min-height: 100svh;
    }

    .hero-content {
        padding: 1.5rem;
    }

    .hero-subtitle {
        font-size: 0.7rem;
        letter-spacing: 0.25em;
    }

    .hero-title .white,
    .hero-title .flow {
        font-size: clamp(3.5rem, 18vw, 6rem);
    }

    .contact {
        padding: 4rem 1.5rem;
    }

    .contact::before {
        height: 80px;
    }

    .contact-label::before,
    .contact-label::after {
        width: 25px;
    }

    .architect-title {
        margin-bottom: 3rem;
    }

    .contact-phone {
        font-size: clamp(1.5rem, 7vw, 2.5rem);
    }

    .contact-email {
        font-size: 0.75rem;
    }
}

@media (max-width: 480px) {
    .hero-title .white,
    .hero-title .flow {
        font-size: 3rem;
    }

    .contact-phone {
        font-size: 1.4rem;
    }

    .contact-email {
        font-size: 0.65rem;
        letter-spacing: 0.1em;
    }
}