/* ==========================================================================
   Base Styles - Modern Design
   T.T. Themelios Lithos Ltd
   ========================================================================== */

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

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

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--weight-regular);
    line-height: var(--leading-relaxed);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: var(--weight-semibold);
    line-height: var(--leading-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

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

a:hover { color: var(--color-accent-dark); }

ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

input, textarea, select, button {
    font-family: inherit;
    font-size: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-text-light);
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--section-padding);
}

.section-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.section-title {
    font-size: var(--text-4xl);
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-6);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    max-width: 600px;
    line-height: var(--leading-relaxed);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    letter-spacing: 0.025em;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-text-light);
    border: 2px solid var(--color-accent);
}

.btn-primary:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-light);
    border: 2px solid var(--color-text-light);
}

.btn-secondary:hover {
    background: var(--color-text-light);
    color: var(--color-primary);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: var(--text-base);
}

.btn-full { width: 100%; }

.btn svg {
    width: 20px;
    height: 20px;
}

/* Reveal Animations */
.reveal-up, .reveal-left, .reveal-right {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.revealed, .reveal-left.revealed, .reveal-right.revealed {
    opacity: 1;
    transform: translate(0);
}

.reveal-up[data-delay="100"], .reveal-left[data-delay="100"], .reveal-right[data-delay="100"] { transition-delay: 0.1s; }
.reveal-up[data-delay="200"], .reveal-left[data-delay="200"], .reveal-right[data-delay="200"] { transition-delay: 0.2s; }
.reveal-up[data-delay="300"], .reveal-left[data-delay="300"], .reveal-right[data-delay="300"] { transition-delay: 0.3s; }
.reveal-up[data-delay="400"], .reveal-left[data-delay="400"], .reveal-right[data-delay="400"] { transition-delay: 0.4s; }
.reveal-up[data-delay="500"], .reveal-left[data-delay="500"], .reveal-right[data-delay="500"] { transition-delay: 0.5s; }
.reveal-up[data-delay="600"], .reveal-left[data-delay="600"], .reveal-right[data-delay="600"] { transition-delay: 0.6s; }

@media (max-width: 992px) {
    h1 { font-size: var(--text-4xl); }
    h2 { font-size: var(--text-3xl); }
}

@media (max-width: 768px) {
    h1 { font-size: var(--text-3xl); }
    h2 { font-size: var(--text-2xl); }
}